Question $2(2$ points$)$

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A proton and a deuteron are moving with equal velocities perpendicular to a uniform magnetic field.

A deuteron has the same charge as the proton but has twice its mass. The ratio of the magnetic force on the proton to that on the deuteron is:

$0\mathrm{.}5$

There is no magnetic force in this case.

$2$

$1$