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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: - Three capacitors each of capacitance C and of breakdown voltage V are joined in series
- Two identical long conducting wires AOB and COD are placed at right angle
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three capacitors each of capacitance C and of breakdown voltage V are joined in series
- Two identical long conducting wires AOB and COD are placed at right angle
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
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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