Laws Of Motion Question 66
Question: 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 [SCRA 1994]
Options:
A) Hydrogen
B) Helium
C) Nitrogen
D) Argon
Show Answer
Answer:
Correct Answer: D
Solution:
Heavier gas will acquire largest momentum i.e. Argon.
