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the speed of an electron having a wavele...

the speed of an electron having a wavelenth of `10^(-10)` m is

A

`7.25 xx 10^6 m s^(-1)`

B

`6.26 xx 10^6 m s^(-1)`

C

`5.25 xx 10^6 m s^(-1)`

D

`4.24 xx 10^6 m s^(-1)`.

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