Properties Of Solids And Liquids Question 383

Question: A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2×102N to keep the wire in equilibrium. The surface tension, inNm1 , of water is [AMU (Med.) 1999]

Options:

A) 0.1

B)0.2

C) 0.001

D) 0.002

Show Answer

Answer:

Correct Answer: A

Solution:

T=F2l=2×1022×10×102=0.1 N/m



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