Magnetic field due to currentHard
Question
An α-particle and a proton are tired through the same magnetic fields which is perpendicular to their velocities . The α particle and the proton move such that radius of curvature of their path is same ratio of their de Broglie wavelength is :-
Options
A.1 : 4
B.1 : 2
C.4 : 1
D.None of these
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