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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
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- If ∆U and ∆W represent the increase in internal energy and work done by the system
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- One coolie takes 1 minute to raise a suitcase through a height of 2 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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