1.

The kinetic energy of an electron, which is accelerated in the potential difference of 100 volts, is

Answer»

416.6 cal
6.636 cal
`1.602 XX 10^(-17)` J
`1.6 xx 10^(4)` J

Solution :`K = eV = 1.602 xx 10^(-19) xx 100 J`
`= 1.602 xx 10^(-17) J`


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