MEDIUM
10th Nagaland Board
IMPORTANT
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Draw a ray diagram and describe the image formation by a concave lens when an object is placed at (i) infinity (ii) a finite distance.
Important Questions on Light - Reflection and Refraction
EASY
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2018>Q 2
A concave mirror produces three times an enlarged image of an object placed at in front of it. Calculate the radius of curvature of the mirror.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2018>Q 3
Explain the refraction of light through a rectangular glass slab with the help of a labelled diagram.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
EASY
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2019>Q 4
Define the term critical angle.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2019>Q 5
A concave lens has focal length . At what distance should the object from the lens be placed so that it forms an image at from the lens? Also find the magnification produced by the lens.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
EASY
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2019>Q 6
A convex lens forms a real and inverted image of a needle at a distance of 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.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2019>Q 7
Draw a ray diagram and describe the image formation by a convex mirror when an object is placed at (i) infinity (ii) a finite distance.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2019>Q 8
Draw a ray diagram and describe the image formation by a concave lens when an object is placed at (i) infinity (ii) a finite distance.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Nagaland Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 10 - Light - Reflection and Refraction>Nagaland Board-2020>Q 13
A concave lens has focal length . At what distance should the object from the lens be placed so that it forms an image at from the lens? Also find the magnification produced by the lens.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)