The velocity of two `alpha`-particles A and B in a uniform magnetic field is in the ratio of `1:3`. They move in different circular orbits in the magnetic field. The ratio of radius of curvature of their paths is
A
`1:2`
B
`1:3`
C
`3:1`
D
`2:1`
Text Solution
Verified by Experts
The correct Answer is:
B
`(r_1)/(r_2)=(v_1)/(v_2)=(1)/(3)`
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