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Question

Physical Chemistry Question on Solid State

Wavelength of X-rays used in a diffraction experiment is 1.54 Å. X-rays are diffracted from a set of planes with an interplanar spacing of 1.54 Å. Then the angle θ (in degrees) corresponding to the first-order Bragg diffraction is

A

30º

B

15º

C

45º

D

90º

Answer

30º

Explanation

Solution

The correct option is (A): 30º