Which is made to hover by the beam''s radiation pressure

Reference no: EM13265934

A laser beam of power 4.40 W and diameter 2.70 mm is directed upward at one circular face (of diameter less than 2.70 mm) of a perfectly reflecting cylinder, which is made to "hover" by the beam's radiation pressure. The cylinder's density is 1.40 g/cm3. What is the cylinder's height H? (mm)

Reference no: EM13265934

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