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Find the focal length of the lens. Is the prescribed lens diverging or converging? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Find the focal length of a lens of power -2.0 D. What type of lens is this? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction An object of size 7.0 cm is placed at a distance of 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed so that a sharp focussed image can be obtained? Find the size and nature of the i... 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position of the image, its nature and size. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction The magnification produced by a plane mirror is +1. What does this mean? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens. Draw the ray diagram. 3 years ago Jaiyush19 lass 10 cbse ncert light reflection refraction An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observation. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Name the type of mirror used in the following situations: (a) Headlight of a car (b) Rear-view of a vehicle (c) Solar furnace 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Which of the following lenses would you prefer to use while reading small letters found in a dictionary? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction A spherical mirror and a thin spherical lens have each a focal length of -15 cm. The mirror and the lens are likely to be 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Where should an object be placed in front of a convex lens to get a real image of the size of the object? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object? 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Which one of the following materials cannot be used to make a lens? (a) Water (b) Glass (c) Plastic (d) Clay 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Find the power of a concave lens of focal length 2 m. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? Also, find the power of the lens. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Define 1 dioptre power of a lens. 3 years ago Jaiyush19 class 10 cbse ncert light reflection refraction Page 1 / 5 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
