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An electron is confined in a harmonic oscillator potential well. What is the longest wavelength of...

An electron is confined in a harmonic oscillator potential well. What is the longest wavelength of light that the electron can absorb if the net force on the electron behaves as though it has a spring constant of 74 N/m? ( el = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J,  = 1.055 × 10-34 J · s, h = 6.626 × 10-34 J · s)

A. 220 nm
B. 230 nm
C. 200 nm
D. 210 nm
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