Answer to Question #297960 in Physics for Bert

Question #297960

A cook uses a microwave oven to heat a meal. The radiation wavelength is 9.25 cm. What is the energy of one photon of this microwave radiation?


1
Expert's answer
2022-02-15T09:58:13-0500

Given:

λ=9.25cm=9.25102m\lambda=\rm 9.25\: cm=9.25*10^{-2}\: m


The energy of one photon of this microwave radiation

E=hcλ=6.631034Js3108m/s9.25102m=2.151024JE=\frac{hc}{\lambda}\\ =\rm \frac{6.63*10^{-34}\: J\cdot s*3*10^8\: m/s}{9.25*10^{-2}\: m}=2.15*10^{-24}\: J


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