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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: - A uniform rod of length l is placed with one end in contact with the horizontal
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- A parallel plate capacitor is charged and then isolated. The effect of increasing
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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 uniform rod of length l is placed with one end in contact with the horizontal
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- A parallel plate capacitor is charged and then isolated. The effect of increasing
- Two balls are dropped from same height at 1 second interval of time.
- A bar magnet of moment M and pole strength m is cut into parts of equal lengths.
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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