A 220 W laser fires a 0.250 ms pulse of light with a wavelength of 680 nm.
Question:
A 220 W laser fires a 0.250 ms pulse of light with a wavelength of 680 nm.
(a) What is the energy of each photon in the laser beam?
(b) How many photons are in this pulse?
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Related Book For
College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
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