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The workdone in forming a soap film of s...

The workdone in forming a soap film of size `10cmxx10cm` will be, if the surface tension of soap solution is `3xx10^(-2)N//m`

A

`3xx10^(-4)J`

B

`3xx10^(-2)J`

C

`6xx10^(-4)J`

D

`6xx10^(-2)J`

Text Solution

Verified by Experts

The correct Answer is:
C
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  17. A capillary tube of radius 0.2mm is dipped vertically in a beaker cont...

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  18. Two capillary tubes of same material dipped are placed vertically in t...

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  19. Two similar capillary tubes of sufficient length long are placed in wa...

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