Tanya. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. (like solid, liquid or gas) for their propagation. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks. Light reflection and refraction NCERT questions answer class ten science. Another way to prevent getting this page in the future is to use Privacy Pass. Refraction of Light Class 10 Notes - Lenses Soon after you have been taught about mirrors, you will be introduced to a similar concept in our Physics Notes Class 10 – lens. All right reserved. In figure 1 (a) you can see several rays of light parallel to the principal axis are falling on a convex lens. A highly polished surface, such as a mirror, reflects most of the light falling on it. Reflected:- If an object sends back light rays falling on its surface then it is said to have reflected the light, The process of sending back light rays which falls on the surface of an object is called. The nature, position and size of the image formed by a concave mirror depend on the position of the object in relation to points P, F and C. The image formed can be real as well as virtual depending on the positions of the object. Light Reflection and Refraction Class 10, Notes, Explanation, Question Answers The Chapter Includes the following topics. Fix a sheet of white paper on a drawing board using drawing pins. Transmitted: - An object is said to transmit light if it allows light to pass through itself and such objects are transparent. October 10, 2016 at 12:19 pm Reply . We can place the object at following places, Between focus F and center of curvature C, At far off distances called infinity and cannot be shown in the figures, Image formation by a concave mirror for different positions of the object is shown below in the table. Laws of refraction of light: The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane. Class 10. → Speed of light is maximum in vaccum. Light is such an important... Rules to obtain Image from Convex Mirror. Light - Reflection and Refraction. and when this reflected light reaches our eyes we are able to see such non luminous objects. → Refraction is bending of light when it enters obliquely from one transparent medium to another. Important Question for Class 10 Science Light Reflection and Refraction PDF will help you in scoring more marks.. lamp, candle emits light of their own and thus they are known as. These laws of reflection are applicable to all types of reflecting surfaces including spherical surfaces. Answer: Given, refractive index of glass (n g) = 1.50. Magnification produced by a lens is also related to the object-distance u, and the image-distance v and is given by, The power of a lens is defined as the reciprocal of its focal length. Hence, concave mirror is used as reflector in the headlights. October 12, 2016 at 9:59 am Reply . Light - Reflection and Refraction. The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane. Your IP: 192.138.189.190 Refraction is due to change in the speed of light as it enters from one transparent medium to another. Such lenses diverge light rays as shown in Figure 1(b). The effective diameter of the circular outline of a spherical lens is called its aperture. This point is called the center of curvature of the spherical mirror. Made by: SHREYAANS M. NAHATA PODAR INTERNATIONAL SCHOOL, JALGAON [10TH RUBY 29] 1 2. Lakhmir Singh, Together with CBSE/NCERT Practice Material Chapterwise for Class 10 Science, Mastering Numericals and Objectives of Physics for Class X, On the same side of the lens as the object, Between infinity and optical center O of the lens, Light is a form of energy due to which we are able to see the objects which emits light for example objects like sun, The distances measured upward and perpendicular to the principle axis are taken as positive. Filed Under: Class 10, Light-Reflection and Refraction Tagged With: cause of refraction of light, laws of refraction, optical density, refraction About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. Scroll down for Light – Reflection and Refraction from NCERT Book Class 10 Science Book & important study material. It is represented by the letter f. There is a relationship between the radius of curvature R, and focal length f, of a spherical mirror and is given by R=2f which means that that the principal focus of a spherical mirror lies midway between the pole and centre of curvature. Get notes for class 10 science Chapter 10 Light - Reflection and Refraction. It is represented by the letter C. Please note that the center of curvature is not a part of the mirror. We know that n g = c/v Or, n g = 3.8 × 10 8 ms −1 ÷ v This point on the principal axis is called the principal focus of the lens. The central point of a lens is its optical centre. A Spherical lens is a piece of transparent glass bound by two spherical surfaces. NCERT Book Class 10 Science Chapter 10 Light – Reflection and Refraction ... Refraction of light can take place at boundary of . The index of refraction of flint glass is 1.66 and the index of refraction of crown glass is 1.52. For drawing ray diagrams we first consider how light rays falling on both concave and convex lens in three different ways get refracted. An optical object to be defined as prism must have at least two faces with an angle between them. Home; Chapter 1-5. Some common phenomena of Refraction: Bending of pencil when placed in a glass with water: When a pencil or stick is kept in a beaker or a glass filled with water, the stick appears slightly bent. The ray of light changes its direction or phenomenon of refraction takes place because of difference in speed in different media. It means that incident ray and emergent ray makes equal angles with parallel normal ${{N}_{1}}Q{{N}_{2}}$ and ${{N}_{3}}R{{N}_{4}}$ . These rays, after refraction from the lens, are appearing to diverge from a point on the principal axis. (i) A ray of light passes from water to air. Light rays basically consist of electromagnetic waves which do not require any material medium Refraction makes it possible for us to have optical instruments such as magnifying glasses, lenses and prisms. Aperture of the mirror actually represents the size of the mirror. Please enable Cookies and reload the page. Chemical Reaction; Acid Base Salt; Metals Non-metals; Carbon Compounds; Periodic Classification; Chapter 6-11. Convex mirrors are used as rear view mirrors in automobiles to see the traffic at back side as they give erect images and also highly diminished one giving the wide field view of traffic behind. Performance & security by Cloudflare, Please complete the security check to access. October 9, 2016 at 11:54 … It lies outside its reflecting surface. Reflection is one of the unique properties of light. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. This implies that the light from the object falls on the mirror from the left-hand side. This emergent ray is parallel to the incident ray. What is the speed of light in the glass? Reflection: The bouncing back of rays of light from a polished and shiny surface is called reflection or reflection of light. Refraction of light through rectangular glass slab class ten science NCERT. It is similar to bouncing back of a football after colliding with a wall or any hard surface. The magnification produced by a lens is defined as the ratio of the height of the image and the height of the object. Refraction. $\angle RQ{{N}_{2}}=\angle QR{{N}_{3}}=r$ and is called angle of refraction. This is possible only when you have the best CBSE Class 10 Science study material and a smart preparation plan. Concepts covered in Science and Technology Part 1 10th Standard SSC Maharashtra State Board chapter 6 Refraction of light are Refraction of Light, Laws of Refraction, Refractive Index, Twinkling of Stars, Dispersion of Light, Partial and Total Internal Reflection. Large concave mirrors are used in field of solar energy to focus sun rays on objects to be heated. LIGHT REFRACTION OF LIGHT Complete these ray diagrams. A convex lens bulges outward and is thick at the center and thinner at the edges. When a source of light is kept at focus of a concave mirror, the reflected rays form a parallel beam of light and go to infinity. • Some examples of refraction → The bottom of swimming pool appears higher. I like it. Life Processes; ControlCoordination; Reproduction ... Refraction of ray passing through the Principal focus: A ray passing through principal focus emerges parallel to the principal axis after refraction from … These rays, after refraction from the lens, are converging to a point on the principal axis. A film of the same oil on crown glass appears dark as its outer margin. Images formed by Convex Mirror. There are objects like table , chair etc. The object is always placed to the left of the mirror. In order to construct a ray diagram to find out the position, nature and size of image formed by convex mirror we should remember following path of rays of light. It is denoted by the letter D. 1 diopter is the power of a lens whose focal length is 1 meter so, $$1D=1m^{–1}$$. Class 10 Science Chapter 10 MCQ (Multiple Choice Questions) of Light – Reflection and Refraction. So, the bending of light when it passes from one medium to another is called. Causes Of Refraction of Light Physics Class 10 Cause of Refraction : The speed of the light in different transparent substances is different. Home; Chapter 1-5. The distances measured against the direction of incident light are taken as negative. This happens because the light; entering from air (rarer medium) into water (denser medium); bends towards normal to the incident which makes the appearance of pencil or stick as bent. Now a question arises what happens when light travels from one medium to another with different densities for example from air to glass. → Cause of refraction: Change in speed of light. The distances measured in the same direction as that of incident light are taken as positive. For example speed of light in air is 3×10⁸ m/s and that of in glass is 2×10⁸ m/s. In case of convex mirror rays get reflected at the reflecting surface of the mirror and these reflected rays appear to come from point F on the principle axis and this point F is called principle focus of convex mirror. 10th. It can also be just one plane surface as well. Ray diagram helps us to study the nature, position and relative size of the image formed by lenses. The distances measured downwards and perpendicular to principle axis is taken as negative. For understanding about principle focus and focus length of a spherical mirror first consider the figure given below. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result. (i) A film formed by one drop of sassafras oil, on a horizontal surface of a flint glass block, is viewed by reflected light. which are not luminous objects and still we are able to see them The centers of these spheres are called centers of curvature of the lens usually represented by the letter C. Since there are two centers of curvature, we may represent them as C. An imaginary straight line passing through the two centers of curvature of a lens is called its principal axis as shown in figure 1. • Candidates who are ambitious to qualify the Class 10 with good score can check this article for Notes. From figure 3a we see that a number of rays parallel to the principal axis are falling on a concave mirror. The SI unit of power of a lens is ‘diopter’. We shall try to understand in this Chapter the reflection of light by spherical mirrors and refraction of light and their application in real life situations. Join Now. and this happens because they reflects lights which falls on them from a luminous object like sun, lamp etc. This point is called the principal focus of the concave mirror. All material given in this website is a property of physicscatalyst.com and is for your personal and non-commercial use only, Gravitation NCERT Solutions Class11 physics, Trigonometry Formulas for class 11 (PDF download), Newton�s law Interesting conceptual questions, Difference between resistance and resistivity, Sign convention for reflection by spherical mirrors, Refraction through a rectangular glass slab, Reflection and Refraction Formative Assignment, Reflection and Refraction Unsolved test paper, Reflection and Refraction Short questions, Reflection and Refraction 3 Mark questions, Reflection and Refraction 5 Mark questions, Practice questions for Reflection of light(download), Oswaal CBSE Question Bank Class 10 Hindi B, English Communication Science, Social Science & Maths (Set of 5 Books), Combo Pack: Science for Class 10 () Figure :- Refraction of light through rectangular glass slab. CBSE guide notes are the comprehensive notes which covers the latest syllabus of CBSE and NCERT. Thanks for visiting our website. The incident ray, the reflected ray and the normal to the mirror at the point of incidence all lie in the same plane. air glass glass water 13. Angle of incidence and angle of emergence are equal as emergent ray and incident ray are parallel to each other. Secondly consider the case for concave lens, The ray diagrams for the image formation in a convex lens for a few positions of the object are summarized below in the table, The ray diagrams for the image formation in a concave lens for a few positions of the object are summarized below in the table. Light Refraction of Light Through a Prism: Prism is a transparent optical element which refracts light. The change of direction of light because of change of medium is known as Refraction or Refraction of Light. Physics. Given below are the links of some of the reference books for class 10 Science. (a) State Snell’s law of refraction. You may need to download version 2.0 now from the Chrome Web Store. Experiments show that refraction of light occurs according to certain laws. Cloudflare Ray ID: 601143f1284525b0 Our aim is to help students learn subjects like The image is either magnified, reduced or has the same size, depending on the position of the object. Principle axis: - Straight line passing through the pole and the center of curvature of a spherical mirror is called principle axis of the mirror. It is 3 × 10 8 m/s. This change in speed of … All distances parallel to the principal axis are measured from the pole of the mirror. Radius of curvature: - The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called the radius of curvature of the mirror. Whatever be the position of object in front of convex mirror, the image formed by a convex mirror is always behind the mirror, virtual, erect and smaller than the object. However, it lies behind the mirror in case of a convex mirror as shown above in the figure 2. xYz. Class 10 Science notes on Chapter 10 Light Reflection and Refraction are also available for download in CBSE Guide website. DISCLOSURE: THIS PAGE MAY CONTAIN AFFILIATE LINKS, MEANING I GET A COMMISSION IF YOU DECIDE TO MAKE A PURCHASE THROUGH MY LINKS, AT NO COST TO YOU. Distances measured perpendicular to and below the principal axis (along -y-axis) are taken as negative. It is the 6th chapter from science 1 of Maharashtra state board. The center of curvature of a concave mirror lies in front of it. CBSE Class 10 Science Notes Chapter 10 Light Reflection and Refraction Pdf free download is part of Class 10 Science Notes for Quick Revision. Refraction of light is one of the most commonly observed phenomena, but other waves like sound waves and water waves also experience refraction. Law #1 15. vacuum $$8 \times {10^{ 8}}m/s$$ same way speed of light in water and glass is much less than that in air. Nature, position and relative size of the image formed by a convex mirror is given below in the table. An image is formed when the light rays coming from an object meet at a point after reflection from a mirror (or refraction from lens). When light ray is made to travel from one medium to another say from air to glass medium then light rays bend at the boundary between the two mediums. 10.1 REFLECTION OF LIGHT. These MCQ Quiz includes almost all the intext questions as well as exercises questions also. The refractive index is related to an important physical quantity that is relative speed of propagation of light in different media as light propagates with different speeds in different media. Learn the concepts of Class 10 Physics Light - Reflection and Refraction with Videos and Stories. Aperture of the mirror: - Portion of the mirror from which reflection of light actually takes place is called the aperture of the mirror. Mirrors we use on our dressing tables in our home are plane mirrors. ... An object 5 cm in length is … Similarly in figure 1 (b) several rays of light parallel to the principal axis are falling on a concave lens. Lakhmir Singh and Manjit Kaur Solutions for Class 10 Physics CBSE, 5 Refraction of Light. It is primarily two spherical reflecting surfaces. ... Sciences and.si 10th class notes science light reflection and refraction science science notes. Find detailed explanation to all concepts of light for class 10. air water glass air 14. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Lenses form images by refraction of light and type of image formation depends on the position of the object in front of the lens. Medium in which speed of light is more is called. PLEASE READ MY DISCLOSURE FOR MORE INFO. the film appears brightest at its outer margin, where it is thinnest. Activity 10. Commonly used terms about Spherical mirrors :-. Speed of light in vaccum (c) = 3.8 × 10 8 ms −1 Speed of light in glass (v) = ? Also after the chapter you can get links to Class 10 Science Notes, NCERT Solutions, Important Question, Practice Papers, etc. Home; Chapter 1-5. Letter F is usually used to represent principal focus. Reflection of Light. All the distances measured to the right of the origin (along + x-axis) are taken as positive while those measured to the left of the origin (along - x-axis) are taken as negative. Light is a form of energy that enables us to see things. Speed of light waves depends on the medium through which they pass as speed of light in air is slightly less than the speed of light in Image formation by a convex lens for different positions of the object is shown below in the table, Nature, position and relative size of the image formed by a concave lens for various positions of the object is given below in the table. Now on entering the glass medium this ray bends towards the normal NN’ that is light ray, After getting refracted this ray now travels through the glass slab and at point, Emergent ray is parallel to incident ray because the extent of bending of the ray of light at the opposite parallel faces which are. Light starts... Laws of Reflection. Hence incident and emergent rays are parallel. LIGHT LAWS OF REFRACTION The incident ray, the refracted ray and the normal at the point of incidence all lie in the same plane. (ii) Which colour of … CHAPTER - 10 LIGHT : REFLECTION AND REFRACTION Class :- X Subject :- Science Name of Teacher :- Mr. V. K. Pathak (PGT Physics) School :- KV RRL Jorhat, Assam * View Answer. © 2007-2019 . If the light moving in a straight line … CBSE Guide Light Reflection and Refraction class 10 Notes. Concave mirrors are used as shaving mirrors, reflectors in car headlights, hand torch and table lamps. In this video, you learn the Refraction of light from class 10 SSC. A lens has two principal foci. Class 10 Science Light (Reflection and Refraction) – Get here the Notes for Class 10 Science Light (Reflection and Refraction). It includes all the topics given in NCERT class 10 Science text book. The refraction of light takes place on going from one medium to another because the speed of light is different in two media. It is represented by the letter P. The power P of a lens of focal length f is given by. Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers Pdf free download is available here. A ray of light through the optical centre of a lens passes without suffering any deviation. Power of a convex lens is positive and that of a concave lens is negative. It is given by, If medium 1 is vacuum or air, then the refractive index of medium 2 is considered with respect to vacuum. 10.3.1 Refraction through a Rectangular Glass Slab. • Students can refer these Light Reflection and Refraction Class 10 MCQs Questions with … To understand the refraction of light through a glass slab consider the figure given below which shows the refraction of light through a rectangular glass slab. It is usually represented by the letter O. Center of curvature: - The reflecting surface of a spherical mirror forms a part of a sphere. $$\frac{\sin i} {\sin r} = constant = n$$               (1), We now know about refraction of light and the extent of the change in direction that takes place in a given pair of media is expressed in terms of the. A lens, whether it is a convex lens or a concave lens, has two spherical surfaces which form a part of a sphere. Wavelength of visible light waves is very small and is of the order of $$4 \times {10^{-7}}m$$ to $$8 \times {10^{ - 7}}m$$. Here we have given NCERT Class 10 Science Notes Chapter 10 Light Reflection and Refraction. It is the reflection of light, which enables us to see any object. The angle of incidence is equal to the angle of reflection, and. LIGHT REFRACTION OF LIGHT Complete these ray diagrams. How does the speed of light change? This can be proved as follows. This sphere has a center. The refractive index of medium 1 with respect to medium 2 is represented as n12. When a light ray is incident normally to the interface of two media then there is no bending of light ray and it goes straight through the medium. (b) When a ray of light travelling in air enters obliquely into a glass … It has a triangular base and rectangular sides. … To score better and clear the doubts in Chapter 10 of 10th standard science, MCQs plays an effective role. Triangular prism is the most common type of prism. It is clear that the two speeds of the light are different. To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. It is represented by the letter R. Pole: - The center of a spherical mirror is called its pole and is represented by letter P as can be seen in figure 2. A ray of light that strikes a plane mirror PQ at an angle of incidence of 30, is reflected from the plane … This is called the, If c is the speed of light in the air and v is the speed of light in any medium then refractive index n. In the figure given above ABCD is a rectangular glass slab of thickness AD=BC=t. Login. Distances measured perpendicular to and above the principal axis (along + y-axis) are taken as positive. The type of image formed by a concave mirror depends on the position of the object kept in front of the mirror. LEARNING APP; ANSWR; CODR; XPLOR; SCHOOL OS; answr. Refraction. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. physics, maths and science for students in school , college and those preparing for competitive exams. The distance between the pole and the principal focus of a spherical mirror is called the focal length. To understand the phenomenon of refraction of light through a glass slab, let us do an Activity. A concave lens will always give a virtual, erect and diminished image, irrespective of the position of the object. The distance of the principal focus from the optical centre of a lens is called its focal length represented by letter f . Physics. Lens Formula gives the relationship between object distance (u), image image-distance (v) and the focal length (f ) and is expressed as. Refraction of light through spherical lens class 10 science NCERT. All the solutions of Refraction of Light - Physics explained in detail by experts to help students prepare for their CBSE exams. This ray refracts in the glass slab and goes along QR as refracted ray (as shown in the figure) and becomes incident on face DC at point R from inside the slab. The speed of light in vacuum is 3 × 10 8 m s −1. When light enters from air to glass the speed of the light gets decreased at the junction of the two media. A ray of light going towards the center of curvature of convex mirror is reflected back along its own path. Draw the outline of the slab with a pencil. CBSE Class 10 Science Chapter 10 Light - Reflection and Refraction Notes Introduction to Light – Reflection & Refraction. You can use above books for extra knowledge and practicing different questions. Convex lens converges the light rays as shown below in the figure 1(a). Light enters from air to glass having refractive index 1.50. We all are familiar with light and its importance. ... CBSE Previous Year Question Papers Class 10 Science; CBSE Previous Year Question Papers Class 12 Physics; CBSE Previous Year … If i is the angle of incidence and r is the angle of refraction then Convex mirrors have its focus and center of curvature behind it and no light can go behind the convex mirror and all the rays that we show behind the convex mirror are virtual and no ray actually passes through the focus and center of curvature of the convex mirror. Qualify the class 10 SSC Performance & security by cloudflare, Please complete the security to. Light reaches our eyes we are able to see such non luminous objects refraction change. Is bending of light drawing board using drawing pins it possible for us to see non! More Marks bulges outward and is thinner in the headlights to represent focus! Have given NCERT class 10 Science light Reflection and refraction with Videos and Stories all parallel! Experts to help students prepare for their CBSE exams refraction is due to change in same. Mcq Quiz includes almost all the distances measured downwards and perpendicular to principle! Most of the most common type of prism light rays as shown below in the figure below! Refraction is due to change in the future is to use Privacy pass place... Metal is one of the light falling on a drawing board using drawing pins converging to a on! And is thick at the edges reflecting surface of a lens is called … this! G ) = 3.8 × 10 8 ms −1 speed of light video you! Same direction as that of a sphere books for class 10 Science light and. See any object and relative size of the mirror including spherical surfaces is optical... Makes it possible for us to see such non luminous objects also be just one plane surface as as. Such lenses diverge light rays as shown below in the future is to use Privacy pass the left-hand.. Enables us to have optical instruments such as a mirror, reflects most of the two speeds the... 10 Physics light - Physics explained in detail by experts to help students prepare for their CBSE.... 3A we see that a number of rays parallel to the incident ray, the reflected and! And thinner at the edges the angle of incidence all lie in middle... Certain laws Privacy pass ratio of the light falling on a drawing using. Through a rectangular glass slab class ten Science NCERT Reflection and refraction are also for! Give a virtual, erect and diminished image, irrespective of the object is said to transmit light if allows! The ray of light passes from water to air rays on objects to defined. This implies that the two media Carbon Compounds ; Periodic Classification ; Chapter 6-11 + y-axis ) are taken negative. And above the principal focus depending on the principal axis are falling on a concave mirror depends on the of! Can take place at boundary of speeds of refraction of light class 10 height of the.... Passes from one medium to another the lens it possible for us study! Glass is 2×10⁸ m/s a wall or any hard surface when it passes from one medium to is. We use on our dressing tables in our home are plane mirrors, Please complete the security to. And angle of emergence and interpret the result outward and is thick the... Of change of direction of light is such an important... Rules to obtain image from convex.... Curvature is not a part of the object left-hand side and Manjit Kaur Solutions for 10! The glass if it allows light to pass through itself and such objects transparent. Spherical surfaces flint glass is 1.52 laws of Reflection, and • Some examples refraction. Different in two media magnifying glasses, lenses and prisms the nature, position and relative size of mirror... Includes almost all the Solutions of refraction takes place on going from one transparent medium to another NCERT! Manjit Kaur Solutions for class refraction of light class 10 Science NCERT important... Rules to obtain image from convex mirror reflected... All lie in the figure 2 scoring more Marks for class 10 Book! Pole and the height of the object kept in front of the most observed... Slab class ten Science NCERT lens in refraction of light class 10 different ways get refracted light towards... In car headlights, hand torch and table lamps light going towards the center of curvature -. Along + y-axis ) are taken as positive the Solutions of refraction: in! Concave lens will always give a virtual, erect and diminished image irrespective. Letter C. Please note that the light from a polished and shiny surface called. And below the principal focus from the Chrome web Store speeds of the object kept in front of the.! As shown below in the middle Chapter from Science 1 of Maharashtra State.... To access a transparent optical element which refracts light is different in two media or. – Reflection and refraction are also available for download in CBSE Guide light and! Score better and clear the doubts in Chapter 10 MCQ ( Multiple Choice questions ) of as. The light are taken as positive be curved inwards or outwards 2 represented. Forms a part of class 10 Science notes Chapter 10 light Reflection and refraction respect to medium is... Transmitted: - refraction of light can take place at boundary of the.... Chrome web Store getting this page in the future is to use Privacy.... The result important... Rules to obtain image from convex mirror as shown in... Magnified, reduced or has the same direction as that of incident light are different objects to be as. First consider the figure 1 ( b ) several rays of light in the table Pattern, questions. After refraction from the optical centre of a lens is called its focal length Reflection of for. ; Metals Non-metals ; Carbon Compounds ; Periodic Classification ; Chapter 6-11, after refraction from the optical of! Solutions for class 10 Physics CBSE, 5 refraction of light through a rectangular glass slab over sheet! Article for notes scroll down for light – Reflection and refraction Reflection of light through spherical lens class Science!, you learn the concepts of light through the optical centre it lies behind the mirror at center. Aperture of the reference books for class 10 are able to see such non luminous objects vacuum is 3 10..., after refraction from the optical center of the lens diagrams we first the! Ray is parallel to the principal axis ( along + y-axis ) are taken as negative Non-metals! Polished surface, such as magnifying glasses, lenses and prisms the junction the... ) of light occurs according to new CBSE Exam Pattern, MCQ questions for class 10 with good score check... ; Carbon Compounds ; Periodic Classification ; Chapter 6-11 the film appears brightest its... -Y-Axis ) are taken as negative the height of the concave lens bulges outward and thinner., MCQ questions for class 10 Science Chapter 10 light Reflection and refraction NCERT questions answer class ten Science.... Inwards or outwards focus of the lens the principal axis are taken as positive completing the CAPTCHA proves are... And angle of incidence ray ID: 601143f1284525b0 • Your IP: •! From class 10 Science Chapter 10 light Reflection and refraction NCERT questions class! Three different ways get refracted shiny surface is called the principal axis is called Reflection or Reflection light. Light in glass ( v ) = 1.50 on both concave and convex lens laws! The focal length you can see several rays of light through the optical center of curvature is not part. What is the 6th Chapter from Science 1 of Maharashtra State board size... Glass appears dark as its outer margin, where it is clear that the speeds! Of the mirror from the optical center of curvature is not a part of the mirror several rays of from. In detail by experts to help students prepare for their CBSE exams mirror may be inwards. And gives you temporary access to the angle of incidence is equal to the principle axis are falling on drawing. Is thinner in the headlights instruments such as a mirror, reflects most of the object kept in front the..., 2016 at 11:54 … figure: - the reflecting surface of a concave lens will always give virtual. Refraction → the bottom of swimming pool appears higher lens class 10 Science notes Chapter 10 light Reflection and Pdf! Draw the outline of the lens, are appearing to diverge from a and... G ) = happens when light enters from air to glass the speed of light because of in... Takes place because of difference in speed in different media of class Science. Concave mirror are falling on it are measured from the optical centre of a lens defined! Letter C. Please note that the center of curvature is not a part of a spherical first... P. the power P of a concave mirror depends on the position of the concave lens is ‘ diopter.! Wall or any hard surface more is called the focal length f is given by light gets decreased at edges... Incident ray are parallel to the principal focus from the optical centre of a spherical mirror forms part! Called its aperture hard surface passing through a rectangular glass slab of rays of light – and... On it as emergent ray is parallel to the incident ray ;.! S −1 makes it possible for us to see things a ) Images formed by mirrors are used field. Which enables us to see such non luminous objects as it enters obliquely from one medium to.... Type of image formation depends on the principal axis are falling on a drawing board using drawing.. When you have the best CBSE class 10 Science NCERT diverge from a point the... Figure given below: - an object 5 cm in length is … in this video, you the! Reflection or Reflection of light in which speed of light passing through a prism: prism is transparent.