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In photoelectric emission process from a metal of work function, 1.8 eV, the kinetic energy of most energetic electrons is 0.5 eV. The corresponding stopping potential is
Options
(a) 1.8 V
(b) 1.2 V
(c) 0.5 V
(d) 2.3 V
Correct Answer:
0.5 V
Explanation:
The stopping potential is equal to maximum kinetic theory.
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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
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- The conducting loop in the form of a circle is placed in a uniform magneitc field
- The nuclear fusion reaction between deutrium and tritium takes place
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
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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