Test Academy | A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2 x 10⁻² N to keep the wire in equilibrium. The surface tension in Nm⁻¹ of water is 0.1 N/m, 0.2 N/m, 0.001 N/m, 0.002 N/m

Question

A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2 x 10⁻² N to keep the wire in equilibrium. The surface tension in Nm⁻¹ of water is

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