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A proton and a deuteron \((q=+ e , m=2.0 u )\) having same kinetic energies enter a region of uniform magnetic field \(\…

Q1

A proton and a deuteron \((q=+ e , m=2.0 u )\) having same kinetic energies enter a region of uniform magnetic field \(\vec{B}\), moving perpendicular to \(\vec{B}\). The ratio of the radius \(r_d\) of deuteron path to the radius \(r_p\) of the proton path is :

a

\(1: 1\)

b

\(\sqrt{2}: 1\)

c

\(1: 2\)

d

\(1: \sqrt{2}\)

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