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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
- If the density of earth is doubled keeping its radius constant then acceleration
- A high altitude, a body explodes at rest into two equal fragments with one fragment
- An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
- The periodic waves of intensities I₁ and I₂ pass through a region at the same time
- Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
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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