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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: - According to photon theory of light which of the following physical quantities,
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- Which one of the following bonds produces a solid that reflects light in the visible region
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- Figure below shows two paths that may be taken by a gas to go from a state A
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- According to photon theory of light which of the following physical quantities,
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- Which one of the following bonds produces a solid that reflects light in the visible region
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- Figure below shows two paths that may be taken by a gas to go from a state A
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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