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Light of wavelength 500 nm is incident o...

Light of wavelength `500 nm` is incident on a metal with work function `2.28 eV`. The de Broglie wavelength of the emitted electron is

A

`lt 2.8 xx 10^(-9) m`

B

`ge 2.8 xx 10^(-9) m`

C

`le 2.8 xx 10^(-12) m`

D

`lt 2.8 xx 10^(-10)m `

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The correct Answer is:
B
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