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A thin liquid film formed between a U -s...

A thin liquid film formed between a U -shaped wire and a light slider supports a weight of `1.5xx10^(-2)` N (See figure ). The length of the slider is 30 cm and its weight negligible . The surface tension of the liquid film is

A

`0.0125 Nm^(-1)`

B

`0.1Nm^(-1)`

C

`0.05 Nm^(-1)`

D

`0.025Nm^(-1)`

Text Solution

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The correct Answer is:
D
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