JEE Main & Advanced Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Assertion and Reason

  • question_answer
    Assertion          :           Rocket in flight is not an illustration of projectile. Reason            :           Rocket takes flight due to combustion of fuel and does not move under the gravity effect alone.

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.            

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.          

    C)             If assertion is true but reason is false.          

    D)             If the assertion and reason both are false.          

    E)             If assertion is false but reason is true.

    Correct Answer: A

    Solution :

                    Motion of rocket is based on action reaction phenomena and is governed by rate of fuel burning causing the change in momentum of ejected gas.          


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