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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP
- The quantity having the same units in all systems of unit is
- A charge of 100 μC has a potential at a distance of 9 m is
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
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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