PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
A balloon filled with helium ( 32∘C and 1.7 atm. ) bursts. Immediately afterwards the expansion of helium can be considered as :
(1) irreversible isothermal
(2) irreversible adiabatic
(3) reversible adiabatic
(4) reversible isotherm