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Visible light of wavelength 6000 x...

Visible light of wavelength 6000 ` xx 10 ^( - 8 ) ` cm falls normally on a single slit and produces a diffraction pattern. It is found that the second diffraction minimum is at ` 60 ^(@) ` from the central maximum. If the first minimum is produced at ` theta _ 1`, then ` theta _ 1 ` is close to :

A

`20^@`

B

`30^@`

C

`25^@`

D

`45^@`

Text Solution

Verified by Experts

The correct Answer is:
C
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