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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 wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- Activity of a radioactive sample decreases to (1/3)rd of its original value
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
- The binding energy per nucleon of ₃⁷Li and ₂⁴He nuclei are 5.60 MeV and 7.06MeV
- When we hear a sound, we can identify its source from
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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