I have a few questions related to the emission of electromagnetic radiation by black bodies.
Consider the following image:
On the above image I have drawn the rays of light that are emmited by black bodies assuming that they have only 8 points of emmision (They are marked with red dots).
Which of these two images shows the real situation? The single point emits the radiation in all directions or only in one direction?
If my intuition is not wrong and the image on the right is correct consider the next image where I assume that there is only one point of emmission on the object:
- Is the intensity of radiation the same in every direction?
- Does the radiation in each direction have the same intensity-wavelength distribution (presented in the image below)?