The Absorption of a Photon of Wavelength 4

Multiple Choice

The absorption of a photon of wavelength 4.67 × 10^-6 m is necessary for a CO molecule to pass from the lowest vibrational energy level to the next highest vibrational level.If this higher vibrational level has an energy of 6.41 × 10^-20 J,what is the energy of the lowest vibrational level?
H = 6.626 × 10^-34 J ∙ s

A) 1) 60 × 10^-20 J
B) 2) 15 × 10^-20 J
C) 3) 20 × 10^-20 J
D) 4) 26 × 10^-20 J