According to Kirchhoff's law, the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body.
56) According of Kirchhoff′s law,
Answer is:
ratio of emissive power to absorptive power is maximum for perfectly black body
Explanation:
Related Heat transfer MCQ with Answers
Answer is:
absorbed
Explanation:
An object that absorbs all radiation falling on it, at all wavelengths, is called a black body. All radiations in a black body are absorbed.
Answer is:
black body
Explanation:
According to Kirchhoff's law, the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body.
Answer is:
conduction and convection
Explanation:
The concept of overall coefficient of heat transfer is used in heat transfer problems of conduction and convection heat transfer.