Calculate the Wavelength of the Light Emitted by a Hydrogen

question 37

Multiple Choice

Calculate the wavelength of the light emitted by a hydrogen atom during a transition of its electron from the n = 4 to the n = 1 principal energy level. Recall that for hydrogen E_n = -2.18 * 10^-18 J(1/n²)

• A)97.2 nm
• B)82.6 nm
• C)365 nm
• D)0.612 nm
• E)6.8 * 10^-18 nm

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