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The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV, and the stopping potential for a radiation incident on this surface 5 V. The incident radiation lies in
Options
(a) X-ray region
(b) Ultra-violet region
(c) Infra-red region
(d) Visible region
Correct Answer:
Ultra-violet region
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Large transformers, when used for some time, become hot and are cooled by circulating
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Large transformers, when used for some time, become hot and are cooled by circulating
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- Solar radiation is
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- Two bubbles A and B (A>B) are joined through a narrow tube. Then
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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