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A spherical drop of mercury having a potential of 2.5 v is obtained as a result of merging 125 droplets. The potential of the constituent droplets would be
Options
(a) 1.0 V
(b) 0.5 V
(c) 0.2 v
(d) 0.1 V
Correct Answer:
0.1 V
Explanation:
V = n²/³.v = (125)²/³.v = 5².v
2.5 = 2.5 v or v = 0.1 V
Related Questions: - The work done in which of the following processes is zero?
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work done in which of the following processes is zero?
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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