When 58 4 nm radiation from a helium discharge lamp is directed on a sample of krypton, electrons are ejected with a velocity of 1 59 10 6 m s 1 The same radiation ejects electrons from Rb atoms with a velocity of 2 45 10 6 m s 1 What are the ionization energies (in electronvolts, eV) of the two el...

To calculate the ionization energies of krypton Kr and rubidium Rb using the given information we can utilize the concept of the photoelectric effect ...

When 58.4 nm radiation from a helium discharge lamp is directed on a sample of krypton, electrons

Question:

When 58.4 nm radiation from a helium discharge lamp is directed on a sample of krypton, electrons are ejected with a velocity of 1.59 × 10⁶ m s⁻¹. The same radiation ejects electrons from Rb atoms with a velocity of 2.45 × 10⁶ m s⁻¹. What are the ionization energies (in electronvolts, eV) of the two elements?

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