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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
- When ultraviolet rays are incident on metal plate, then photoelectric effect
- A bubble is rising from bottom of a lake. The volume of bubble becomes
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
- The operation of a nuclear reactor is said to be critical, if the multiplication
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
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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