A rocket is propelled by a gas which is initially at a temperature of 4000 K . The temperature of the gas falls to 1000 K as it leaves the exhaust nozzle. The gas which will acquire the largest momentum while leaving the nozzle, is

A rocket is propelled by a gas which is initially at a temperature of

1.	A rocket is propelled by a gas which is initially at a temperature of 4000 K . The temperature of the gas falls to 1000 K as it leaves the exhaust nozzle. The gas which will acquire the largest momentum while leaving the nozzle, is
Answer» Hydrogen Helium Nitrogen Argon ANSWER :D