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The surface tension of a thin liquid fil...

The surface tension of a thin liquid film formed between a U shaped wire and a light slider of length 30 cm supporing a weight of `1.5xx10^(-2)N` is

A

`0.0125Nm^(-1)`

B

`0.1Nm^(-1)`

C

`0.05Nm^(-1)`

D

`0.025Nm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D

`W=T(2L)`
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