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A needle or a pin floats on the surface...

A needle or a pin floats on the surface of water because of

A

Surface tension

B

Less weight

C

Upthrust of liquid

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
`F = 2l T +W`
Where, l `rarr` length of needle, W `rarr` weight of needle
`T rarr` surface tension coefficient.
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