Pulsed dye lasers emit light of wavelength 585 nmin 0450


Pulsed dye lasers emit light of wavelength 585 nmin 0.450 ms pulses to remove skin blemishes such as birthmarks. The beam is usually focused onto a circular spot 5.00 mm in diameter. Suppose that the output of one such laser is 20.0 W .

Part A. What is the energy of each photon, in (Ephantom=eV)

Part B. How many photons per square millimeter are delivered to the blemish during each pulse?eV (n=phantoms/mm^2)

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Physics: Pulsed dye lasers emit light of wavelength 585 nmin 0450
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