Question

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Answer 1

Answer:

A proton, a deutron and an α- particle having the same kinetic energy are moving in circular trajectories in

a constant magnetic field. If rp, rd and rα denote respectively the radii of the trajectories of these particles,

then

(a) rα ˃ rd ˃ rp (b) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα= rd = rd