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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 mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force
- Consider two particles of different masses. In which of the following situations
- Which wavelengths of sun is used finally as electric energy?
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
- A solid body rotates about a stationary axis, so that its angular velocity
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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