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A narrow slit of width 'a' is illuminate...

A narrow slit of width 'a' is illuminated by a light of wavelength 6000Å. For what value of 'a' do the following events occur?-
i. first maximum falls at an angle of diffraction of `30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
`1.8 xx 10^(-6)`m
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