An x-ray beam with wavelength 0.240 nm is directed at a crystal. as the angle of incidence increases, you observe the first strong interference maximum at an angle 24.5 ∘. what is the spacing d between the planes of the crystal?

Question

Physics

Andreas Sparks

27 May, 20:41

An x-ray beam with wavelength 0.240 nm is directed at a crystal. as the angle of incidence increases, you observe the first strong interference maximum at an angle 24.5 ∘. what is the spacing d between the planes of the crystal?

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Answers (1)

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Katelyn Leonard · Answer 1

This phenomenon is called the Bragg scattering. The working equation used for this is:

λ = 2dsinθ

where

λ is the wavelength and θ is the incident angle

0.240nm = 2dsin (24.5°)

Solving for d,

d = 0.29 nm