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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: - A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- A metal bar of length L and area of cross-section A is clamped between two rigid
- The total radiant energy per unit area, normal to the direction of incidence
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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
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- A metal bar of length L and area of cross-section A is clamped between two rigid
- The total radiant energy per unit area, normal to the direction of incidence
- What determines the nature of the path followed by the particle?
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
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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