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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