The wavelength of first order x-rays are 2.2oA0 at 2708.? Find the distance between the adjacen miller planes.
Answers
Answer:
According to Bragg Equation:
nλ = 2d sinΘ
Therefore, according to the derivation of Bragg’s Law:
The equation explains why the faces of crystals reflect X-ray beams at particular angles of incidence (Θ, λ).
The variable d indicates the distance between the atomic layers, and the variable Lambda specifies the wavelength of the incident X-ray beam.
n as an integer.
Explanation:
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Answer:
according to bragg's law
2dsinΘ=mλ
λ=2.20Aο ⇒ λ=2.20×10^-10
m=1
Θ= 2708' ⇒ Θ=2708÷60 ⇒ Θ= Θ 45.2°
d=?
by putting values:
2dsin(45.2) =(1)(2.20×10^-10)
2d(0.7096) = 2.20×10^-10
2d=2.20×10^-10÷0.7096
2d= 3.1×10^-10
d= 3.1×10^-10÷2
d=1.55×10^-10
Explanation:
angle is to be changed into degres first by using D°M'S'' rule of maths