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How many photons are produced in a laser pulse of 0.224 J at 513 nm?

User CChi
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1 Answer

8 votes

Answer:

5.65 ⋅ 10^17 photons.

Step-by-step explanation:

Your strategy here will be to use the Planck - Einstein relation to calculate the energy of a single photon of wavelength

535 nm

, then use the total energy of the laser pulse to figure out exactly how many photons were needed to produce that output.

User Afruzan
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