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An alpha particle travels in a circular ...

An `alpha` particle travels in a circular path of radius `0.45 m` in a magnetic field `B = 1.2 Wb//m^(2)` with a speed of `2.6xx10^(7) m//sec`. The `alpha` particle is

A

`1.1xx 10^05 s`

B

`1.1 xx 10^-6 s`

C

`1.1 xx 10^-7s `

D

`1.1 xx 10^-8 s`

Text Solution

Verified by Experts

The correct Answer is:
C
`T=(2pim)/(q B)=(2pi mr)/(mv)=(2pi r)/(v)`
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