Question

What should be the pressure inside a small air

bubble of 0.1 mm radius situated just below the

water surface ? (Given, surface tension of water

=

2 1 7.2 10 Nm

and atmospheric pressure

5 2 1.013 10 Nm

)

(a)

5 2 2.012 10 Nm

(b)

4 2 2.012 10 Nm

(c)

5 2 1.027 10 Nm

(d)

4 2 1.027 10 Nm
​

Answer 1

Answer:

421.027 10 Mm

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