A proton, a deutron and an $\alpha$-particle accelerated through the same potential difference enter

Question

A proton, a deutron and an $\alpha$-particle accelerated through the same potential difference enter a region of uniform magnetic field, moving at right angles to B .  If the radius of the proton's circular path is 10 cm . What is the radius of deutron's path\

Professor PC Thomas Classes · Answer

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