Monochromatic x rays are incident on a crystal for which the spacing of the atom

Question

Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442 . The first-order maximum in the Bragg reflection occurs when the incident and reflected x rays make an angle of 39.6 with the crystal planes.

Part A:

What is the wavelength of the x rays?

Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442 . The first-order maximum in the Bragg reflection occurs when the incident and reflected x rays make an angle of 39.6 with the crystal planes. Part A: What is the wavelength of the x rays? lambda= nm

Explanation / Answer

we have

n =2dsin

given n= 1, d = .442 , =39.6

so = 0.563

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