Q. 75.0( 2 Votes )

A deuteron and an

Answer :



Deuteron has charge of +e and mass 2mp where mp is the mass of proton.

-particlehas charge of +2e and mass 4mp.

We know that force on a charged particle due to magnetic field is given by

where, q=charge


B=magnetic field

v and B are perpendicular in this case

Since here because


We can observe the trajectory is circular due to centrifugal force

Fc whose magnitude is given by


Equating 1 and 2

Rearranging we get,

Since momentum p=mv



where q=2e


For Deuteron

where q=e


Now according to question,

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