Calculate the Frequency of the Light Emitted by a Hydrogen

Multiple Choice

Calculate the frequency of the light emitted by a hydrogen atom during a transition of its electron from the n = 6 to the n = 3 principal energy level. Recall that for hydrogen E_n = -2.18 * 10^-18 J(1/n²) .

A) 1.64 * 10¹⁵ /s
B) 9.13 * 10¹³ /s
C) 3.65 * 10¹⁴ /s
D) 1.82 * 10^-19 /s
E) 2.74 * 10¹⁴/s