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A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.

A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹. When its temperature is raised to 727⁰C, the heat radiated by it in cal m⁻²s⁻¹ will be closest to

Options

(a) 40
(b) 160
(c) 320
(d) 640

Correct Answer:

320

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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