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In Young's double slit experiment with a...

In Young's double slit experiment with a mono - chromatic light of wavelength `4000 A^(@)`, the fringe width is found to be 0.4 mm. When the slits are now illuminated with a light of wavelength `5000A^(@)` the fringe width will the

A

`0.32` mm

B

`0.5` mm

C

`0.6`mm

D

`0.8`mm

Text Solution

Verified by Experts

The correct Answer is:
B
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