In Young's experiment, the dustance be...

In Young's experiment, the dustance between two slit is `08` mm and the distance of the screen from the slits is `80 cm` if the fringe width is `0.6 mm` , thent eh wavelenghts of light usedis

6000Å

5000Å

55000Å

4500Å

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The correct Answer is:

`lamda=(d)/(D)beta=(8xx10^(-4)xx6xx10^(-4))/(8xx10^(-1))=6000Å`

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