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NEET Sample Paper NEET Sample Test Paper-8

  • question_answer
    A particle of charge per unit mass, a is released from the origin width a velocity \[V={{V}_{0}},\] in a uniform magnetic field \[B=-{{B}_{0}}K\]. If the particle posses through \[(0,y,0)\], then Y is equal to:

    A)  \[\frac{2{{V}_{0}}}{{{B}_{0}}a}\]                             

    B)  \[\frac{{{V}_{0}}}{{{B}_{0}}a}\]

    C)  \[\frac{2{{V}_{0}}}{{{B}_{0}}a}\]              

    D)  \[\frac{{{V}_{0}}}{{{B}_{0}}a}\]

    Correct Answer: C

    Solution :

    Here,   \[Y=2r=\frac{2m{{V}_{0}}}{q{{B}_{0}}}=\frac{2{{V}_{0}}}{{{B}_{0}}a}\]


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