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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
- The value of coefficient of volume expansion of glycerin is 5 x 10⁻⁴ k⁻¹.
- The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
- When sound is produced in an aeroplane with a velocity of 200 m/s horizontally,
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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