X-ray diffraction (XRD) makes use of the Bragg equation in which$\theta$ is the ________
A) wavelength of the X-ray.
B) distance between layers of identical particles in the lattice.
C) angle of incidence of the X-ray beam.
D) dimension of the unit cell.
E) angle of diffraction of the X-ray beam.

Question

Quizplus · Accepted Answer

In the Bragg equation, $ n\lambda = 2d\sin\theta $, $\theta$ represents the angle of incidence (and also the angle of diffraction) of the X-ray beam with respect to the crystal planes.

X-Ray Diffraction (XRD) Makes Use of the Bragg Equation in Which