A balloon partially filled with helium has a volume of `30 m^3`, at the earth's surface,
Channel: Doubtnut
Date: 12/07/2020

A balloon partially filled with helium has a volume of `30 m^3`, at the earth's surface, where pressure is `76 cm` of (Hg) and temperature is `27^@ C` What will be the increase in volume of gas if balloon rises to a height, where pressure is `7.6 cm` of `Hg` and temperature is `-54^@ C` ?