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Question: Two particles have the ratio of their velocities as 3 : 2 on entering the field. If they move in dif...

Two particles have the ratio of their velocities as 3 : 2 on entering the field. If they move in different circular paths, then the ratio of the radii of their paths is

A

2 : 3

B

3 : 2

C

9 : 4

D

4 : 9

Answer

3 : 2

Explanation

Solution

As qvB=mv2r\mathrm { qvB } = \frac { \mathrm { mv } ^ { 2 } } { \mathrm { r } }