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If the angle of incidence of X-ray of wa...

If the angle of incidence of X-ray of wavelength 3Å which produces a second order diffracted beam from the (100) planes in a simple cubic lattice with interlayer spacing a = 6 Å is `30^(@)`, the angle of incidence that produ ces a first-order diffracted beam from the (200) planes is

A

`15^(@)`

B

`45^(@)`

C

`30^(@)`

D

`60^(@)`

Text Solution

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The correct Answer is:
C
Properties of ionic solid
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