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IMPORTANT
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The light energy escaping from the sun can be spread by

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Important Questions on Ray Optics

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NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Ray Optics>NDA & NA EE 2019 Paper 1 General Ability Test>Q 11
The focal length of the objective lens of a telescope is 50 cm. If the magnification of the telescope is 25, then the focal length of the eyepiece is
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NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Ray Optics>NDA & NA EE 2019 Paper 1 General Ability Test>Q 12
The sun is seen little before it rises and for a short while after it sets. This is because of
EASY
NDA & NA EE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Ray Optics>NDA & NA EE 2019 Paper 1 General Ability Test>Q 13
When a beam of white light passes through a glass prism, the colour of light beam that deviates the least is