Question: Please show all work and steps. If an electron falls from (a) the 4th energy level to the 1st energy level, what is the wavelength

Please show all work and steps.

If an electron falls from (a) the 4th energy level to the 1st energy level, what is the wavelength of the emitted light (photon)? (b) What is the wavelength of the emitted light if an electron falls from the 4th energy level to the 2nd What is the energy of the emitted photons irn Joules and ev

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