Physics, 31.05.2021 17:10 Jakyramason

Light from an ideal spherical blackbody 19.0 cmcm in diameter is analyzed by using a diffraction grating that has 3650 lines/cmlines/cm . When you shine this light through the grating, you observe that the peak-intensity wavelength forms a first-order bright fringe at ±± 14.2° from the central bright fringe. Required:
a. What is the temperature of the blackbody?
b. How long will it take this sphere to radiate 16.0 MJ of energy?

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