Question: An electron in the hydrogen atom jumps from an orbit in which the energy is 1.89 eV higher than the energy of the final lower-energy

An electron in the hydrogen atom jumps from an orbit in which the energy is 1.89 eV higher than the energy of the final lower-energy orbit.
a. What is the frequency of the photon emitted in this transition? (h = 4.14 x 10^-15 eV·s.)
b. What is the wavelength of the emitted photon?

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