Determine the spectral radiant emittance
An extended source is spherical in shape with a radius of 2.00 cm and emits 12.57 W from 399.5 to 400.5 nm. Determine the spectral radiant emittance, the spectral radiant intensity, and the spectral radiance at 400 nm.
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Describe the process that will result in the greatest amount of work done by the system with a constant external pressure and calculate w. What is the least amount of work done with no restrictions on the external pressure?
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