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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 current is flowing through resistance. A potential difference of 120 V
- A milli ammeter of range 10 mA has a coil of resistance 1 ohm
- If R is the radius of the earth and g is the acceleration due to gravity
- In a circuit, 5% of total current passes through a galvanometer. If resistance
- A point source emits sound equally in all directions in a non-absorbing medium.
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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