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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.
Related Questions: - In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
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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
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- A drum of radius R and mass M, rolls down without slipping along an inclined plane
- In a thermodynamic system, working substance is ideal gas. Its internal energy
- A parallel plate capacitor as a uniform electric field E in the space between the plates
- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
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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