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The maximum force, in addition to the we...

The maximum force, in addition to the weight required to pull a wire frame 5cm long from the surface of water at temperature `20^@C` is 728 dyne. The surface tension of water is,

A

7.28 dyne/cm

B

0.728 dyne/cm

C

0.728 N/m

D

72.8 dyne/cm

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The correct Answer is:
D
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