The photosphere (the visible surface of the Sun) is at a temperature of 5800 K and sunspots on average are around 4200 K. What is the percent difference in temperature between the photosphere and sunspots? At what wavelength does the radiation emitted by each region peak?

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A: temperature of the Sun's photosphere = 500 K Area of the region = 1 m2

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A: Area = 1 m2Temperature = 500 K

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?