A small laser emits light at power 3.11 mW and
wavelength 486 nm. The laser beam is focused (narrowed)
until its diameter matches the 1236 nm diameter of a
sphere placed in its path. The sphere is perfectly absorbing and
has density 3.00×103kg/m3.
What is the beam intensity at the sphere's location?
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Calculate the radiation pressure on the sphere.
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Calculate the magnitude of the corresponding force.
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Calculate the magnitude of the acceleration that force alone would give the sphere?
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A small laser emits light at power 3.11 mW and wavelength 486 nm. The laser beam...
A helium-neon laser of the type often found in physics laboratories has a beam power of 4.00 mW at a wavelength of 633 nm. The beam is focused by a lens to a circular spot whose effective diameter may be taken to be equal to 2.00 wavelengths. A). Calculate the intensity of the focused beam. B). Calculate the radiation pressure exerted on a tiny perfectly absorbing sphere whose diameter is that of the focal spot. C). Calculate the force exerted...
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