Calculate the Frequency of the Light Emitted by a Hydrogen

question 96

Multiple Choice

Calculate the frequency 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)3.08 * 10¹⁵ /s
• B)1.03 * 10⁸ /s
• C)2.06 * 10¹⁴ /s
• D)1.35 * 10^-51 /s
• E)8.22 * 10¹⁴ /s

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