NEET2016Physics-Wave Optics

NEET 2016 Physics Diffraction MCQ Question

Type: MCQ-conceptual-Hard-Class 12

In a diffraction pattern due to a single slit of width a, the first minimum is observed at an angle 30° when light of wavelength 5000 Å is incident on the slit. The first secondary maximum is observed at an angle of

A

sin⁻¹(1/2)

B

sin⁻¹(3/4)

C

sin⁻¹(1/4)

D

sin⁻¹(1/6)

Correct Answer

Option B

Detailed Explanation

The position of minima and maxima in a single slit diffraction pattern is determined by the slit width and wavelength, using the condition for secondary maxima.

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