Question : In a magnetic field of 2.50 x 10-3T such that magnetic force is equal to its weight then proton moves with the speed of
(A). 3.09 x 10^-5 m/s
(B). 4.09 x 10^-5 m/s
(C). 2.09 x 10^-5 m/s
(D). 0.09 x 10^-5 m/s
In a magnetic field of 2.50 x 10-3T such that magnetic force is equal to its weight then proton moves with the speed of
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