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A film of water is formed between two st...

A film of water is formed between two straight parallel wires each `10 cm` long and at a seperation of `0.5 cm`. Calculate the work required to increase `1mm` distance between the wires. Surface tension of water `=72xx10^(-3)N//m`.

A

`1.44 xx 10^(-3) J`

B

` 1.44 xx 10^(5) J`

C

` 1.2 xx 10^(-5) J`

D

` 1.44 xx 10^(-5)J`

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MOTION-SURFACE TENSION & VISCOSITY -Exercise - 1 Objective Problems | JEE Main
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