Asked by Kez
microwave ovens work by irradiating food with microwaves, which is absorbed by the water molecules in the food and is converted into heat. Assuming that microwave ovens emit radiation with a wavelength of 12.2cm, calculate how many photons are emitted per second in a 1000-Watt microwave oven.
Answers
Answered by
DrBob222
1000 watts = 1000 joules/second
E = hc/wavelength
E = 6.626E-34*3E8/12.2E-2 for one photon.
1.6E-24 J/photon x # photons = 1000 joules/sec.
Solve for # photons.
E = hc/wavelength
E = 6.626E-34*3E8/12.2E-2 for one photon.
1.6E-24 J/photon x # photons = 1000 joules/sec.
Solve for # photons.
Answered by
sara
1.63E-27 photon/sec
Answered by
Anonymous
220
Answered by
Matt
1000/(1.6*10^-24) =
6.25*10^26 photons/sec
6.25*10^26 photons/sec
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