Q. Emissive power of a perfect blackbody is maximum at

एक पूर्ण कृष्णिका की उत्सर्जक शक्ति अधिकतम होती है

Zero temperature
शून्य तापमान

Infinite temperature
अनंत तापमान

Very low temperature
बहुत कम तापमान

High temperature
उच्च तापमान

According to the Stefan-Boltzmann law, the emissive power $E$ of a blackbody increases with the fourth power of its absolute temperature $T$ :

E = \sigma T^4

So as temperature approaches infinity, emissive power theoretically becomes maximum.

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