198k views
3 votes
What color is infrared radiation?
A yellow
B invisible
C Violet
D red

1 Answer

4 votes
Hello!

A fire is hot enough to produce visible light. But, a source of heat, like a human, will produce infrared light, which is invisible.

Your answer would be B. Invisible

I hope this helps!
User Benbrunton
by
6.8k points