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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Critical Thinking Questions

  • question_answer
    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]            

    A) Hydrogen            

    B)               Helium            

    C)             Nitrogen            

    D)               Argon            

    Correct Answer: D

    Solution :

                  Heavier gas will acquire largest momentum i.e. Argon.


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