Why does some energy radiate as light and some as heat in certain cases (like fire), and not the same type of radiation?

Question

So, if we take fire, how come not all of the energy is released as light, why is some of it released as heat as well as light?

In: Physics

Answer 1

Radiated heat IS light. It’s just a big broad span of different wavelength that your eye can’t sense, but heat nerves on your skin can