VMMC VMMC Medical Solved Paper-2008

  • question_answer
    If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

    A) X/N                       

    B)                        NX

    C) 2 NX                      

    D)        NX/2

    Correct Answer: D

    Solution :

    Number of collisions of one molecule/unit time = X Number of collision of N molecules/unit time = NX. As in one collision, two molecules are involved, collision frequency = NX/2


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