AJBFKRNEJDBFGO AJBFKRNEJDBFGO Chemistry Answered A light wave has a wavelength of 1.5E-7m. The speed of light is 3E8m/s. Planck's constant is 6.6E-34 m²kg/s. c=wavelength*frequency Energy-=h*frequency a. What is it's frequency? b. What is it's energy?