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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