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A proton is projected with a velocity 10...

A proton is projected with a velocity `10^(7)ms^(-1)`, at right angles to a uniform magnetic field of induction `100mT`. The time `(` in second `)` taken by the proton to traverse `90^(@)` are is `: (` Mass of proton `=1.65xx10^(-27)kg` an charge of proton `=1.6 xx10^(-19)C)`

A

`0.81 xx 10^(-7) `

B

`1.62 xx 10^(-7) `

C

`2.43 xx 10^(-7) `

D

`3.24 xx 10^(-7)`

Text Solution

Verified by Experts

The correct Answer is:
B
`T = (2pi m)/(Bq)`
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