Question

Davisson-Germer's electron diffraction arrangement is as shown

Correct labelling is

• A. $A$-electron source, $B$-metal crystal, $C$-reflector, $D$-detector
• B. $A$-electron source, $B$-hollow tube, $C$-wall, $D$-reflector
• C. $A$-electron gun, $B$-electron accelerator, $C$-detector, D- counter
• D. $A$-electron gun, $B$-collimating and accelerating tube, $C$-metal target, $D$-movable collector

Answer 1

Answer: (D)

Correct answer is (d) $A$-electron gun, $B$-collimating and accelerating tube, $C$-metal target, $D$-movable collector