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Asked Dec 25, 2019
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Objects A and B have the same size and shape with emissivities eA and eB and temperatures TA and TB, respectively. (a) If eA = eB and TB = 4TA, what is the ratio PB /PA of their radiated powers? (b) If, instead, they radiate the same power and eA = 4eB, what is the ratio TB /TA of their Kelvin temperatures?

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a)

The required ratio of the ...

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Рает" Pce Р. е,ть Ри ет P3 e,(47 ет = 256

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