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The mass of an electron is 9.1xx10^(-31)...

The mass of an electron is `9.1xx10^(-31)kg` . If its K.E . Is `3.0xx10^(-25)J` , calculate its wavelength .

A

`9.1 xx 10^(-31)` kg

B

`9.1 xx 10^(-28)` kg

C

`1.06 times 10^(-19)` kg

D

`1.67 times 10^(-27)` kg

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