A balloon contains 500 m3 of helium at 27°C and 1 atmosphere pressure. The volume of the helium at –3°C temperature and 0.5 atmosphere pressure will be
(a) 500 m3
(b) 700 m3
(c) 900 m3
(d) 1000 m3
Correct option (c) 900 m3
Explanation: