A proton and an alpha particle of the same velocity enter in a uniform magnetic field which is acting perpendicular to their direction of motion. The ratio of the radii of the circular paths described

Question

A proton and an alpha particle of the same velocity enter in a uniform magnetic field which is acting perpendicular to their direction of motion. The ratio of the radii of the circular paths described by the alpha particle and proton is

TestHub · Accepted Answer

Radius of circular path of charged particle q of mass m moving with velocity v in magnetic field B is given by r = m v q B r α r p = 4 m v 2 e B m v e B = 2 : 1

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