AIIMS2008Physics-Wave Optics

AIIMS 2008 Physics Diffraction MCQ Question

Type: MCQ-numerical-Hard-Class 12

Light is incident normally on a diffraction grating through which the first diffraction is seen at 32°. In this case the second order diffraction will be

A

at 80°

B

at 64°

C

at 48°

D

there is no second order diffraction

Correct Answer

Option D

Detailed Explanation

Angle of first order diffraction (θ1) = 32°.

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