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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
- A photocell employs photoelectric effect to convert
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- In the elastic collision of objects
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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