AIIMS2011Physics-Optics

AIIMS 2011 Physics Refraction Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion : When a white light is passed through a lens, violet light is more refracted than red light. Reason : Focal length for red light is greater than violet.

A

Both assertion and reason are true and reason is the correct explanation of assertion

B

Both assertion and reason are true but reason is not the correct explanation of assertion

C

Assertion is true but reason is false

D

Both assertion and reason are false

Correct Answer

Option A

Detailed Explanation

When white light is passed through a lens, violet light is more refracted than red light because wavelength of violet is less than red light and therefore focal length for red light is greater than violet.

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