# ^Power of photons

^**Power of photons**

Rate of energy of photons is called power of photons. If n photons each of wavelength ‘l’ are crossing a given area at right angles every second, then power of photons is defined as,

^**Power of photons**

Rate of energy of photons is called power of photons. If n photons each of wavelength ‘l’ are crossing a given area at right angles every second, then power of photons is defined as,