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Grade 11Thermal Physics

Which formula to use in these type of questions. Please give me solution as well as the formula

Question image for Which formula to use in these type of questions. P

Preeti

8 Years agoGrade 11

1 Answer

Arun

8 Years ago

Dear Preeti

Use

E = $\sigma$ T4

T is in kelvin

When you put this

You get

E = $\sigma$ (546)4

And

E2 = $\sigma$ (273)4

Hence

E2/E = 1/16

E2 = E/16

Regards

Arun (askIITians forum expert)

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