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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
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
- To draw the maximum current from a combination of cells, how should be the cells
- Which of the following physical quantities has neither dimensions nor unit
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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