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A laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glacoma, in which pressure buildup in the eye can lead to loss of vision. A neodymium YAG laser (wavelength = 1070 nm) is used in the procedure to punch a tiny hole in the peripheral iris, thereby relieving the pressure buildup. In one application the laser delivers 3.00 multiply.gif 10-3 J of energy to the iris in creating the hole. How many photons does the laser deliver?

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