Home Physics Wave Optics Diffraction of Light If we observe the single slit Fraunhofer dif…
Physics Wave Optics Diffraction of Light MCQ (Single Correct)

If we observe the single slit Fraunhofer diffraction with wavelength λ λ and slit width e , the width of the central maxima is 2 θ θ . On decreasing the slit width for the same λ λ

A
θ θ increases
B
θ θ remains unchanged
C
θ θ decreases
D
θ θ increases or decreases depending on the intensity of light

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Text Solution

Verified by Experts
The correct answer is:
A

(where d = slit width)

As d decreases, θ θ increases.

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