A proton and an α - particle enter a uniform magnetic field perpe… - Vidyadip

Question

A proton and an α - particle enter a uniform magnetic field perpendicularly with the same speed. If proton takes 25 μ sec to make 5 revolutions, then the periodic time for the α - particle would be(a) 50 μ sec(b) 25 μ sec(c) 10 μ sec(d) 5 μ sec

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Answer

(c) 10 μ sec

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