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Statement-I : In Young's double slit exp...

Statement-I : In Young's double slit experiment interference pattern disappears when one of the slits is closed
Statement-II : Interference is observed due to superposition of light waves from two coherent source

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
When two light waves of exactly equal frequency having phase difference which is constant with respect to time travel in same direction and superimpose, then interference occurs. When one of the slits is closed, then illumination from a single source is obtained. Thus interference does not occur.
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