# If a hydrogen atom is initially in its n = 3 state, which of the following...

If a hydrogen atom is initially in its n = 3 state, which of the following frequencies can it emit a photon at? a) 0.57 x 10^14 Hz b) 1.57 x 10^14 Hz c) 2.57 x 10^14 Hz d) 3.57 x 10^14 Hz e) 4.57 x 10^14 Hz

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