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A certain number of spherical dropes of a liquid of radius r coalesce to form a single drop of radius R and volume V. If T is the surface tension of the liquid, then
Options
(a) energy =4VT (1/r-1/R) is released
(b) energy =3VT(1/r+1/R) is absorbed
(c) energy = 3VT (1/r-1/R) is released
(d) energy is neither released nor absorbed
Correct Answer:
energy = 3VT (1/r-1/R) is released
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The displacement of a particle along the x-axis is given by x = a sin² ?t
- If the electric field lines is flowing along axis of a cylinder, then the flux
- A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- A leaf which contains only green pigments is illuminated by a laser light
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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