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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.
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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
- Suppose the kinetic energy of a body oscillating with amplitude A and at a distance
- An inductor is connected to an a.c. source when compared to voltage,
- A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
- A spring has time period T. It is cut into n equal parts. The time period of each part
- Copper and carbon wires are connected in series and the combined resistor is kept
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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