Microwave ovens emit microwave energy with a wavelength of 12.1 cm. What is the energy of exactly one photon of this microwave radiation?

Question

anonymous · Answer

Well Planck gave us the equation for the energy of a photon:$$E=h \nu $$where E is the energy of the photon, h is Planck's constant, and υ is the photon's frequency.  You're given wavelength but given the relationship between wavelength and frequency, you should be able to modify your equation to use wavelength.  Make sure you pay attention to units.

mrnood · Answer

Everything you need is in this link http://www.pveducation.org/pvcdrom/properties-of-sunlight/energy-of-photon