EASY
12th Rajasthan Board
IMPORTANT
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Write relation between power of lens and it's focal length.

Important Questions on Ray Optics and Optical Instruments

EASY
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2019>Q 4

Write definitions:

Total internal reflection.

MEDIUM
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2019>Q 5
Deduce an expression for mirror equation. Draw necessary ray diagram.
EASY
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2019>Q 6
Find focal length of a spherical mirror of radius of curvature 10cm.
EASY
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2020>Q 7
What do you understand by scattering of light?
EASY
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2020>Q 8
Focal length of a convex lens in air is 25 cm. If it is immersed in water, then calculate the focal length of the lens. nw=43, ng=32
MEDIUM
12th Rajasthan Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 9 - Ray Optics and Optical Instruments>Rajasthan Board-2020>Q 9
What is Presbyopia? Describe the construction and working of reflecting telescope. Draw necessary ray diagram.