JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        The viscous force acting on a rain drop of radius 0.35 mm falling through air with a velocity of 1 m/s, is \[\text{1 km}/{{\text{s}}^{\text{2}}}\]

    A)  \[\text{1}00\text{ m}/{{\text{s}}^{\text{2}}}\]                 

    B)  \[\text{1}0\text{ m}/{{\text{s}}^{\text{2}}}\]

    C)  \[\text{1}\,\text{m}/{{\text{s}}^{\text{2}}}\]   

    D)  \[\sqrt{98}m/s\]

    Correct Answer: D

    Solution :

                    From the formula the viscous force is given by \[{{\upsilon }_{B}}\] \[{{\upsilon }_{A}}:{{\upsilon }_{B}}\] \[\sqrt{3}:1\]


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