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An electron is moving with a speed of 3 ...

An electron is moving with a speed of `3 xx 10^(-7)` m/s in a magnetic field of `6 xx 10^(-4) T` perpendicular to its path. What will be the radium of the path? What will be frequency and the energy in keV ? [Given: mass of electron = `9 xx 10^(-31) kg`, charge `e = 1.6 xx 10^(-19) C, 1 eV = 1.6 xx 10^(-19)J`]

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The correct Answer is:
`18.7 MHz, 2.53 keV T`
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