A black body is considered ideal when it:
Correct answer: C. Both A and B
- A. Emits all radiation
- B. Absorbs all radiation
- C. Both A and B
- D. None of these
Explanation
A blackbody is defined as an ideal body that allows all incident radiation to pass into it (zero reflectance) and that absorbs internally all the incident radiation (zero transmittance).
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