Radiation pressure on an object absorbing all the light:
, where I is the intensity of lightwave and c is the speed of light.
From the boxed equation:
In the 25-ft Space Simulator facility at NASA's Jet Propulsion Laboratory, a bank of overhead arc lamps can produce light of intensity 2500W/m2 at the floor of the facility. (This simulates the intensity of sunlight near the planet Venus.)
A) Find the average radiation pressure (in pascals) on a totally absorbing section of the floor.
B) Find the average radiation pressure (in atmospheres) on a totally absorbing section of the floor.
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