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PH 223 34:6-7

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Richard Datwyler

on 13 February 2017

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Transcript of PH 223 34:6-7

A helium-neon laser emits a 1.0 mm diameter laser beam with a power of 1.0 mW. What are the amplitudes of the electric and magnetic fields of the light wave?
A 1000 W carbon-dioxide laser emits light with a wavelength of 10micrometers into a 3.0 mm diameter laser beam. What force does the laser beam exert on a completely absorbing target?
Only 25% of the intensity of a polarized light wave passes through a polarizing filter. What is the angle between the electric field and the axis of the filter?
A 200 mW vertically polarized laser beam passes through a polarizing filter whose axis is 35 degrees from horizontal. What is the power of the laser beam as it emerges from the filter?
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