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A beam of charged particle, having kinet...

A beam of charged particle, having kinetic energy `10^3 eV`, contains masses `8xx10^(-27) kg and 1.6xx10^(-26) kg` emerge from the end of an accelerator tube. There is a plate at distance `10^2 m` from the end of the tube and placed perpendicular to the beam. Calculate the magnitude of the smallest magnetic field which can prevent the beam from striking the plate.

A

`1.414T`

B

`2.414T`

C

`3.414T`

D

`4.414T`

Text Solution

Verified by Experts

The correct Answer is:
A
`r=(mv)/(qB)=(sqrt(2mE))/(qB)`
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