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A beam of light of wavelength 600 nm fro...

A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is

A

1 . 2 m m

B

2 . 4 m m

C

3 . 6 m m

D

2 . 4 m m

Text Solution

Verified by Experts

The correct Answer is:
B
`Y =(lambda D)/(a), w = 2Y`
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