Absorptivity of a body will be equal to its emissivity

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Manisha Agrawal

🎓 Tutor III ⭐ 9.34K Points

📊 Heat Transfer

Q. Absorptivity of a body will be equal to its emissivity

(A) at all temperatures
(B) at one particular temperature
(C) when system is under thermal equi-librium
(D) at critical temperature

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✅ Correct Answer: (C) when system is under thermal equi-librium

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