Q. The energy emitted by unit area per unit time is called

प्रति इकाई समय में इकाई क्षेत्रफल द्वारा उत्सर्जित ऊर्जा कहलाती है

A
Radiance
चमक
B
Luminance
luminance
C
Emissive power
उत्सर्जक शक्ति
D
Intensity
तीव्रता

Explanation

Emissive power is the total energy radiated per unit surface area of a body per unit time, usually measured in watts per square meter (W/m²).

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