Q. A perfect blackbody is a body that

एक आदर्श ब्लैकबॉडी वह शरीर है

A
Reflects all radiation
समस्त विकिरण को परावर्तित कर देता है
B
Absorbs all incident radiation
सभी आपतित विकिरण को अवशोषित कर लेता है
C
Transmits all radiation
समस्त विकिरण संचारित करता है
D
Emits only infrared radiation
केवल अवरक्त विकिरण उत्सर्जित करता है

Explanation

A perfect blackbody is an idealized physical body that absorbs all electromagnetic radiation, regardless of wavelength or angle of incidence, without reflecting or transmitting any. Because it absorbs all radiation, it is also the best possible emitter of radiation.

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