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In Davisson-Germer experiment, the corre...

In Davisson-Germer experiment, the correct relation between angle of diffraction `phi` and glancing angle `theta` is-

A

`theta=90^(@)-(phi)/(2)`

B

`theta=90^(@)+(phi)/(2)`

C

`theta=(phi)/(2)`

D

`theta=phi`

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The correct Answer is:
A
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