A 15.0-mW heliumneon laser emits a beam of circular cross
Chapter 34, Problem 37(choose chapter or problem)
A 15.0-mW heliumneon laser emits a beam of circular cross section with a diameter of 2.00 mm. (a) Find the maximum electric field in the beam. (b) What total energy is contained in a 1.00-m length of the beam? (c) Find the momentum carried by a 1.00-m length of the beam.
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