InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The photoelectrons emitted from a metal surface:A. Are all at restB. Have the same kinetic energyC. Have the same momentumD. Have speeds varying from zero upto a certain maximum |
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Answer» Correct Answer - D |
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| 2. |
Radiation of frequency 1.5 times the threshold frequency is incident on a photosensitive material. If the frequency of incident radiation is halved and the intensity is doubled, the number of photoelectron ejected per second becomes:A. ZeroB. half of its initial valueC. one fourth the initial valueD. three fourth the initial value |
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Answer» Correct Answer - A |
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