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Calculate the velocity of an electron ha...

Calculate the velocity of an electron having wavelength of 0.15 nm. Mass of an electron is `9.109 xx 10^(-28)` grams.

A

`2.062 xx 10^(-8) cm. sec^(-1)`

B

`2.062 xx 10^(-15) cm. sec^(-1)`

C

`2.062 xx 10^(-10) cm. sec^(-1)`

D

`4.84 xx 10^8 cm. sec^(-1)`

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