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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
- If a charge on the body is 1nC, then how many electrons are present on the body?
- 180⁰ phase difference is obtained when light ray is reflected from
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- Two balls are dropped from heights h and 2h respectively. The ratio of times
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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