Question

An inverted bell lying at the bottom of a lake 476 m
deep has 50 cm' of air trapped in it. The bell is brought
to the surface of the lake. The volume of the trapped air
will be (atmospheric pressure=70 cm of Hg and density
of Hg = 13.6 g/cm')
(1) 350 cm
(2) 300 cm
(3) 250 cm
(4) 22 cm
​

Answer 1

answer is 350. .....

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