SATHEE: Properties Of Solids And Liquids Question 462

Properties Of Solids And Liquids Question 462

Question: A black body is at $727^{\circ} C$ . It emits energy at a rate which is proportional to

Options:

A) ${(1000)}^{4} (b)$

B) ${(727)}^{2}$

C) $727)^{4}$

D) ${(727)}^{2}$

Show Answer

Answer:

Correct Answer: A

Solution:

[a] According to Stefan’s law, $E \propto T^{4}$

$\propto {(t + 273)}^{4} K [727^{\circ} C = (727 + 273) K]$

$\propto {(727 + 273)}^{4} K$

$\propto {(1000)}^{4} K$

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Properties Of Solids And Liquids Question 462

Question: A black body is at 727∘C . It emits energy at a rate which is proportional to

Options:

Answer:

Solution:

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Question: A black body is at $727^{\circ} C$ . It emits energy at a rate which is proportional to