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Kinetic energy of an electron accelerate...

Kinetic energy of an electron accelerated in a potential difference of 100 V is

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The correct Answer is:
A, B, C
`(1)/(2) mv^(2) = eV`
`v = sqrt((2eV)/(m)) = [(2 xx 1.6 xx 10^(34) xx 1600)/(9.1 xx 10^(-31))] `
`= 2.37 xx 10^(7) m s^(-1)`
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