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How many photons are produced in a laser pulse of 0.819 J at 531 nm?
 one year ago
 one year ago
How many photons are produced in a laser pulse of 0.819 J at 531 nm?
 one year ago
 one year ago

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aaronqBest ResponseYou've already chosen the best response.1
find the energy given by one photon of that wavelength E=hc/lambda divide the energy given 0.819 J by the energy of one photon
 one year ago

connor50Best ResponseYou've already chosen the best response.0
\[3.74 \times 10^37\]?
 one year ago

aaronqBest ResponseYou've already chosen the best response.1
what energy did you get per photon
 one year ago

aaronqBest ResponseYou've already chosen the best response.1
0.000000000374 = 3.74*10^10 J /photon
 one year ago

connor50Best ResponseYou've already chosen the best response.0
Divide that that by .819?
 one year ago

aaronqBest ResponseYou've already chosen the best response.1
the other way around 0.819 J/3.74*10^10 J = # of photons
 one year ago

connor50Best ResponseYou've already chosen the best response.0
Ah.\[2.19\times10^9\]
 one year ago
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