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In order to float a ring of area 0.04 m ...

In order to float a ring of area 0.04 m in a liquid of surface tension 75 N/m, the required surface energy will be

A

3J

B

6.5 J

C

1.5 J

D

4J

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The correct Answer is:
A
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ERRORLESS -SURFACE TENSION-Exercise
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  16. Nature of meniscus for liquid of 0^(@) angle of contact

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  17. A liquid wets a solid completely. The meniscus of the liquid in a suff...

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