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

Question

$ \ge $ 2.8 $ \times $ 10^$-$9 m

$ \le $ 2.8 $ \times $ 10^$-$12 m

< 2.8 $ \times $ 10^$-$10 m

< 2.8 $ \times $ 10^$-$9 m

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