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Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV. The minimum kinetic energy of the emitted photo-electrons will be
Options
(a) 0 eV
(b) 1 eV
(c) 2 eV
(d) 10 eV
Correct Answer:
0 eV
Explanation:
Minimum kinetic energy is always zero, when the photon loses its energy by collision.
Related Questions: - An engine has an efficiency of 1/6. When the temperature of sink is reduced
- The dimensions of universal gas constant are
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
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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
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- The dimensions of universal gas constant are
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- The time period of a simple pendulum in a lift descending with constant acceleration g is
- Which is incorrect about thermal process
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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