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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: - Which of the following is suitable for the fusion process?
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
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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
- Which of the following is suitable for the fusion process?
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- A vertical spring with force constant k is fixed on a table. A ball of mass
- The focal length of the objective of a terrestrial telescope is 80 cm
- What is the dimension of impedance?
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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