Question:
The spectral emissive power Ex for a body at temperature T
Last updated: 6/25/2023
![The spectral emissive power Ex for a body at temperature T](https://media.kunduz.com/media/sug-question-candidate/20210816110421623818-2124404.jpg?h=512)
The spectral emissive power Ex for a body at temperature T is plotted against the wavelength and area under the curve is found to be A At a different temperature T the area is 2 found to be 9A Then dE d 2 is T T