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List these two rays and state the path of these rays after reflection. Use these rays to locate the image... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction State the law of refraction of light that defines the refractive index of a medium with respect to the other. Express it mathematically. How is refractive index of any medium ‘A’ with respect to a medium ‘B’ related to the speed of propagation of lig... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction List the sign conventions for reflection of light by spherical mirrors. Draw a diagram and apply these conventions in the determination of focal length of a spherical mirror which forms three times magnified real image of an object placed 16 cm in fr... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction A 6 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 15 cm. The distance of the object from the lens is 10 cm. Find the position, size and nature of the image formed, using the lens formula. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction Name the type of mirror used in the following situations: (i) Headlights of a car (ii) Rear-view mirror of vehicles (iii) Solar furnace Support your answer with reason. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction A 4 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 24 cm. The distance of the object from the lens is 16 cm. Find the position, size and nature of the image formed, using the lens formula. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction The image of a candle flame placed at a distance of 45 cm from a spherical lens is formed on a screen placed at a distance of 90 cm from the lens. Identify the type of lens and calculate its focal length. If the height of the flame is 2 cm, find the ... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction State the type of mirror preferred as (i) rear view mirror in vehicles, (ii) shaving mirror. Justify your answer giving two reasons in each case. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction To instruct a ray diagram, we use two light rays which are so chosen that it is easy to know their directions after refraction from the lens. List these two rays and state the path of these rays after refraction. Use these two rays to locate the imag... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction List four properties of the image formed by a concave mirror, when object is placed between focus and pole of the mirror. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction List four properties of the image formed by a convex mirror. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction List four properties of the image formed by a plane mirror. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction (a) With the help of a ray diagram explain why a concave lens diverges the rays of a parallel beam of light. (b) A 2.0 cm tall object is placed perpendicular to the principal axis of a concave lens of focal length 15 cm. At what distance from the le... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction Under what condition will a glass lens placed in a transparent liquid become invisible? (b) Describe and illustrate with a diagram, how we should arrange two converging lenses so that a parallel beam of light entering one lens emerges as a parallel ... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction (а) Draw a ray diagram to show the formation of image of an object placed between infinity and the optical centre of a concave lens. (b) A concave lens of focal length 15 cm forms an image 10 cm from the lens. Calculate (i) the distance of the obje... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction (a) What is meant by 'power of a lens'? (b) State and define the S.I. unit of power of a lens. (c) A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with each other. Calculate the lens power ... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction If the image formed by a lens is diminished in size and erect, for all positions of the object, what type of lens is it? (b) Name the point on the lens through which a ray of light passes undeviated. (c) An object is placed perpendicular to the pri... 4 years ago Tulika pia class 10 cbse ncert light reflection refraction Draw the ray diagram and also state the position, relative size and nature of the image formed by a concave mirror when the object is placed between its centre of curvature, C and focus, F. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction What is understood by lateral displacement of light? Illustrate it with the help of a diagram. List any two factors on which the lateral displacement of a particular substance depends. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction With the help of a ray diagram explain why a convex mirror is preferred for rear view mirrors in motor cars. 4 years ago Tulika pia class 10 cbse ncert light reflection refraction Page 3 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
