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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
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
- The unit of surface tension is
- A body is thrown upward from ground covers equal distances
- The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
- Curie is the unit of
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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