What is the number of photon of light with wavelength 4000 pm July 8, 2019 16 32 64 128 What is the number of photon of light with wavelength 4000 pm which provide one joule of energy What is the number of photon of light with wavelength 4000 pm which provide 1 joule of energy What is the number of photon of light with wavelength 4000 pm which provide 1 j of energy
