.1 a) What is black body and black body radiation? Write down the Plank’s Postulates
and derive Plank’s energy density formula? Show that the Plank’s energy density is
formula valid for all types of wave length.
b) The effective surface temperature of the Sun is 5800K at what wave length
would you expect the Sun to radiate most strongly? (Wien’s constant = 2.898 x 10-3 m. K)
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.1 a) What is black body and black body radiation? Write down the Plank’s Postulates
and derive Pla...
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