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A disc of paper of radius R is floating ...

A disc of paper of radius R is floating on the surface of water of surface tension T . If r=20 cm and T=0.070N//m , then the force of surface tension on the disc is

A

`2.2xx10^(-2)N`

B

`4.4xx10^(-2)N`

C

`8.8xx10^(-2)N`

D

`44xx10^(-2)`N

Text Solution

Verified by Experts

The correct Answer is:
C
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