In Davisson-Germer experiment, if the angle of diffraction is `52^(@)`, the find the glancing angle.

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

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

Davisson and Germer experiment proved

In Davisson - Germer experiment Ni crystal acts as :