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A hollow sphere has a small hole. When t...

A hollow sphere has a small hole. When the sphere is taken to a depth of 0.5 m inside water the air bubbles started coming out from the hole. If the surface tension of water is the radius of the hole is

A

`2.8 xx10^(-5)` m

B

` 1.35 xx10^(-5)`m

C

`0.67 xx10^(-5)`m

D

`0.28 xx10^(-5)`m

Text Solution

Verified by Experts

The correct Answer is:
A
` p = (2T)/R and P = hdg rArr hdg = (2T)/R`
` R = (2T)/("hdg")`
` = 2.8 xx 10^(-5)` m
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