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In young’s double slit experiment with a...

In young’s double slit experiment with a source of light of wavelength `6320Å`, the first maxima will occur when

A

path difference is 9480 Å

B

Phase difference is `pi/2` radian

C

path difference is 6320 Å

D

phase difference is `pi` radian

Text Solution

Verified by Experts

The correct Answer is:
C
The condition to get maxima is path difference `Delta=nlamda`. For the first maximum n=1 `therefore=lamda=6320` Ã
and the corresponding phase difference=`2pi`
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