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Two particles having same charge and KE ...

Two particles having same charge and `KE` enter at right angles into the same magnetic field and travel in circular paths of radii `2 cm` and `3cm` respectively. The ratio of their masses is .

A

`2:3`

B

`3:2`

C

`4:9`

D

`9:4`

Text Solution

Verified by Experts

The correct Answer is:
C
`r = (mv)/(Bq) = (sqrt(2mk) )/(Bq) `
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