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The work done to from a layer of soap so...

The work done to from a layer of soap solution of size `10cm xx 10cm` will be ( surface tension of soap solution `= 3 xx 10^-2 N/m`)

A

`3 xx 10^-4 `joule

B

`6 xx 10^-4 `joule

C

`3 xx 10^-2` joule

D

`6 xx 10^-2` joule

Text Solution

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The correct Answer is:
B
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