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A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m

A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary diameter on the surface of the liquid is

Options

(a) 0.75 N
(b) 1.5 x 10⁻² N
(c) 0.225 N
(d) 2.25 x 10⁻² N

Correct Answer:

2.25 x 10⁻² N

Explanation:

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