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An electron, a proton, a deuteron and an...

An electron, a proton, a deuteron and an alpha particle, each having the same speed are in a region of constant magnetic field perpendicular to the direction of the velocities of the particles. The radius of the circular orbits of these particles are respectively `R_e, R_p, R_d` and `R_alpha`. It follows that :

A

`R_e=R_p`

B

`R_p=R_d`

C

`R_d=R_alpha`

D

`R_p=R_alpha`

Text Solution

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The correct Answer is:
C
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