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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
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel,
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
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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