Gaseous hydrogen contained initially under standard conditions in a sealed vessel of volume v was cooled by at. the amount of heat will be lost by the gas if in

Gaseous hydrogen contained initially under standard conditions in a sealed vessel of volume V was cooled by AT. The amount of heat will be lost by the gas if initial pressure is P and temperature 7, (a) AQ= V,AT AT-1) (6) AQ=ZV,AT b) AT7-1) (c) AQ =(y-1)a7 (d) AQ =V,(y-1}a7