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For Bragg's diffraction by a crystal to ...

For Bragg's diffraction by a crystal to occur, then the X-ray of wavelength `lambda` and interatomic distance d must be

A

`lambda` is greater than 2 d

B

`lambda` equals 2 d

C

`lambda` is smaller than or equal to 2d

D

`lambda` is smaller than 2 d

Text Solution

Verified by Experts

The correct Answer is:
C
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