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An electron of work function 1.4 eV is e...

An electron of work function 1.4 eV is emitted with a velocity `5 xx 10^(6)` m/s . The wavelength of the incident radiation is

A

`0.017` Å

B

1.7 Å

C

17 Å

D

170 Å

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The correct Answer is:
D
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