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A cyclotron's oscillator frequency is 10...

A cyclotron's oscillator frequency is `10MHz`. What should be the operating magnetic field fro accelerating protons? If the radius of its dees is `60cm`, what is the kinetic energy (in `MeV`) of the proton beam produced by the acceleration?
`(e-1.60xx10^-19C,m_p=1.67xx10^-27kg, 1MeV=1.6xx10^-13J)`

A

`12 xx 10^(-12) J`

B

`6 xx 10^(-19) J `

C

`1.2 xx 10^(-10) J`

D

`0.6 xx 10^(-10) J`

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The correct Answer is:
A
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