A 10 cm long wire is placed horizontally on the surface of the water and is gently pulled up with a force of 2×102N to keep the wire in equilibrium. The surface tension, in Nm−1 of water is

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A 10 cm long wire is placed horizontally on the surface of the

Question

A 10 cm long wire is placed horizontally on the surface of the water and is gently pulled up with a force of $2 \times 10^{2}$ N to keep the wire in equilibrium. The surface tension, in $N m^{- 1}$ of water is

1000

0.02

0.001

0.002

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A 10 cm long wire is placed horizontally on the surface of the water and is gently pulled up with a force of

2 \times 10^{2}

N to keep the wire in equilibrium. The surface tension, in

N m^{- 1}

of water is

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Question Text

A 10 cm long wire is placed horizontally on the surface of the water and is gently pulled up with a force of

2 \times 10^{2}

N to keep the wire in equilibrium. The surface tension, in

N m^{- 1}

of water is