Properties Of Solids And Liquids Question 364

Question: A liquid film is formed in a loop of area 0.05 m2. Increase in its potential energy will be (T = 0.2 N/m) [RPMT 2002]

Options:

A) 5×102J

B)2×102J

C) 3×102J

D)None of these

Show Answer

Answer:

Correct Answer: B

Solution:

Increment in Potential energy = T×ΔA

=0.02×2×0.05=2×102J



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