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When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV. The work function of the metal is
Options
(a) 0.65 eV
(b) 1 eV
(c) 1.3 eV
(d) 1.5 eV
Correct Answer:
1 eV
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- Hydrogen atom in ground state is excited by a monochrmatic radiation of λ=975 Å
- An electron moving in a circular orbit of radius r makes n rotations per second.
- A boy playing on the roof of a 10m high building throws a ball with a speed
- After 300 days, the activity of a radioactive sample is 5000 dps
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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