Which of the following has the lowest energy?
a. a light with the wavelength of 1.03 x 10⁻⁸ m
b. a light with the wavelength of 1.22 x 10⁻⁹ m
c. a light with the wavelength of 2.33 x 10⁻⁸ m
d. a light with the wavelength of 1.50 x 10⁻⁷ m