EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Ray Optics>MHT-CET Medical 2020>Q 2

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MHT-CET

IMPORTANT

Earn 100

If a parallel beam of light is incident on convex as well as concave mirror then after reflection they pass through focal point. If $f$ is the focal length and $R$ is the radius of curvature of a mirror then for both the mirrors

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Important Questions on Ray Optics

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MHT-CET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 21 - Ray Optics>MHT-CET Medical 2020>Q 3

A monochromatic beam of light passing through water (refractive index

= 4 / 3

) has wavelength

5400 Å .

When it is refracted in glass (refractive index

= 3 / 2

) its wavelength will be