Properties Of Solids And Liquids Question 321

Question: A spherical drop of water has radius 1 mm If surface tension of water is 70×103 N/mdifference of pressures between inside and out side of the spherical drop is [CPMT 2000; AIIMS 2000]

Options:

A) 35N/m2

B)70N/m2

C) 140N/m2

D)Zero

Show Answer

Answer:

Correct Answer: C

Solution:

ΔP=2TR=2×70×1031×103=140N/m2



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