Initially a black body at absolute temperature T is kept inside a closed chamber at…
Physics · JEE Advanced · NTA Exams — Thermodynamics
Initially a black body at absolute temperature T is kept inside a closed chamber at absolute temperature T0. Now the chamber is slightly opened to allow sun rays to enter. It is observed that temperatures T and T0 remains constant. Which of the following statements is/are true?
- The rate of emission of energy from the black body remains the same.
- The rate of emission of energy from the blackbody increases.
- The rate of absorption of energy by the blackbody increases.
- The energy radiated by the black body equals the energy absorbed by it.
Answer
(D) The energy radiated by the black body equals the energy absorbed by it.
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