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Assertion (A) : Interference pattern is ...

Assertion (A) : Interference pattern is made by using blue light instead of red light, the fringes becomes narrower.
Reason (R ) : In Young's double slit experiment, fringe width is given by the relation `beta = (lambda D)/(d)`

A

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

B

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

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

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The correct Answer is:
A
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