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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.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In which case positive work has to be done in seperating them?
- A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- If by mistake voltmeter is connected in series and ammeter in parallel then
- If the magnetising field on a ferromagnetic material is increased, its permeability
- A wave in a string has an amplitude of 2cm. The wave travels in the positive direction
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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