| Consider three statements: |
| 1. In photo electric effect, even for monochromatic incident radiation, the photo electrons are emitted with a spread of velocities. |
| 2. Photoelectrons are emitted without delay once the incident light reaches the surface of the emitter. |
| 3. Frequency of monochromatic light (well above the cutoff frequency), that is incident on a emitter in a photoelectric effect, is increased while keeping the intensity constant. It results in decrease in magnitude of stopping potential. Correct order of the true/false for the above statements is |
A) T T F
B) F T T
C) T F T
D) F F T
Correct Answer: A
Solution :
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