Physics, 24.09.2019 01:10 theangelsanchez
If a sunspot has a temperature of 4,760 k and the solar surface has a temperature of 5,800 k, how many times brighter is the surface compared to the sunspot? (hint: use the stefan-boltzmann law.)
Answers: 3
, here L is radiated power, A is area, 
is stefan constant 
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If a sunspot has a temperature of 4,760 k and the solar surface has a temperature of 5,800 k, how ma...
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