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Chapter 5: Q14DQ (page 1211)

Could x-ray diffraction effects with crystals be observed by using visible light instead of x-rays? Why or why not?

Short Answer

Expert verified

No, x-ray diffraction effects cannot be observed with visible light.

Step by step solution

01

Given Data

Diffraction is a process by which a beam of light spreads when passing through a narrow passage or across the edge of an obstacle accompanied by interference between the waveforms.

02

X-ray vs Visible light

According to Bragg’s condition for x-ray diffraction:

2dsinθ=mλ

It can be seen that d is directly proportional to λ, and since d is of the order of 10-10m, λhas to be the same order or magnitude. But the visible spectrum lies within 400 nm to 700 nm. So, it is not possible for visible light to mimic x-ray diffraction.

Therefore, it is not possible for visible light to mimic x-ray diffraction.

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