Problem: A ground-state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate energy level, and a second to return to the ground state. What higher level did the electron reach?

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FREE Expert Solution

E = hvE = hcλE = (6.626×10-34 J·s)(3.00×108 ms)94.91 nm ×10-9 m1 nm

E = 2.0944x10-18 J


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Problem Details

A ground-state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate energy level, and a second to return to the ground state. What higher level did the electron reach?