A surgeon is attempting to correct a detached retina by using a pulsed laser. (a) If the

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A surgeon is attempting to correct a detached retina by using a pulsed laser.
(a) If the pulses last for 20.0 ms and if the output power of the laser is 0.500 W, how much energy is in each pulse?
(b) If the wavelength of the laser light is 643 nm, how many photons are present in each pulse?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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