Question: A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 514 nm, and

A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 514 nm, and the power is 1.5 W. During surgery, the laser beam is turned on for 0.050 s. During this time, how many photons does the laser emit?

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