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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 direction of magnetic line of force of a bar magnet is
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- A particle of mass m moves with constant speed along a circular path of radius r under
- An Electric charge does not have which of the following properties?
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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