1.

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

Answer»

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

SOLUTION :`2theta+phi=180^(@)`
`:. theta=90^(@)-(phi)/(2)`


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