A laser emits light at power 150 mwand wavelength 633 nm, Ask an Expert

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A laser emits light at power 1.50 mWand wavelength 633 nm. The laser beam is focused (narrowed) untilits diameter matches the 1266 nm diameter of a sphere placed in its path. The sphere is perfectly absorbing and has density5.50 103 kg/m3.

(a) What is the beam intensity at the sphere'slocation?

W/m2

(b) What is the radiation pressure on the sphere?

(d) What is the magnitude of the acceleration that force alonewould give the sphere?

m/s2

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