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In a biprism experimentn the distance be...

In a biprism experimentn the distance between the two virtual images of the slits is 7 mm and the distance between slit adnd eyepiece is 1 m. If the distance between two consecurtive bright band is `0.1` then the wavelength of lights is

A

`7000Å`

B

`6500Å`

C

`6000Å`

D

`5000Å`

Text Solution

Verified by Experts

The correct Answer is:
A

`lamda=(d)/(D)beta=(7xx10^(-3)xx0.1xx10^(-3))/(1)=7000Å`
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