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Calculate energy and sketch spectrum

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At the surface of a distant star, the temperature is approximately 6500 K.

a) How much energy is contained in the electromagnetic radiation filling a cubic meter of space at the star's surface?

b) Sketch the spectrum of this radiation as a function of photon energy. Mark the region of the spectrum that corresponds to visible wavelengths, between 400 nm and 700 nm.

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Solution Summary

The solution considers the surface of a distant star. It calculates the energy in the electromagnetic radiation as well as sketches the spectrum.