Physics-Davisson-Germer Experiment

NEET Physics Davisson-Germer Experiment MCQ Question

Type: MCQ-fact-Easy-Class 12

What was a significant finding of the Davisson-Germer experiment regarding the nature of cathode rays?

A

The charge to mass ratio (e/m) is independent of the material used.

B

Cathode rays are positively charged particles.

C

Cathode rays are emitted only from heated metals.

D

The speed of cathode rays is always greater than the speed of light.

Correct Answer

Option A

Detailed Explanation

The experiment demonstrated that the charge to mass ratio (e/m) of cathode ray particles is independent of the material used, suggesting their universality.

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