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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: - Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
- Which of the following substances has the highest elasticity?
- A point source emits sound equally in all directions in a non-absorbing medium.
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
- Which of the following substances has the highest elasticity?
- A point source emits sound equally in all directions in a non-absorbing medium.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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