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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
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- Velocities of sound measured in hydrogen and oxygen gas at a given temperature
- Which two of the following five physical parameters have the same dimensions?
- A ball rolls without slipping. The raidus of gyration of the ball about an axis
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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