Asked by Kristen
A heat lamp produces 22.5 watts of power at a wavelength of 6.0 Mu.How many photons are emitted per second? (1watt= 1J/s )
Answers
Answered by
DrBob222
Please clarify Mu. Is that 6.0 microns = 6.0E-6 meters? If so then
joules = hc/wavelength
joules = 6.626E-34 x 3E8/6E-6 = about 3E-20 J but you need to do it more accurately. Then
3E-20 J/photon x # photons = 22.5 J in 1 sec.
Solve for # photons.
joules = hc/wavelength
joules = 6.626E-34 x 3E8/6E-6 = about 3E-20 J but you need to do it more accurately. Then
3E-20 J/photon x # photons = 22.5 J in 1 sec.
Solve for # photons.
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