QUESTION 11 What wavelength, in nm, can strike a metal surface and eject an electron at kinetic energy of 1.89 x 10-19 Jif the binding energy of the metal is 289 kJ/mol? O 2.75 nm O 297 nm O 189 nm O 290 nm 1.89 x 10-19 nm

Q: Im just wondering from Where did  you got the numbers of -299.7 kj/mol -46.1 and -

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