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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
- The purpose of using heavy water in nuclear reactor is
- At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
- The identical loops of copper and aluminium are moving with the same speed
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
- Out of the following options which one can be used to produce a propagating
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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