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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 particle of mass M is executing oscillations about the origin on the x-axis.
- If critical angle for a material to air passage is 30°, the refractive index
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
- Two balls are dropped from same height at 1 second interval of time.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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