Do fire also have shadow?? I always had a confusion in this question. I asked my teachers but they didn't answer me. Plzz answer this question.
Answers
No...it doesn't have shadow.
A shadow is produced when light is blocked. A flame, like on the wick of a candle, is a gaseous chemical reaction...if there is enough carbon-soot produced, then perhaps it would block some of the light.
Light does not destructively interfere, so light from the surroundings simply passes though the flame, unaltered. If the flame is sufficiently turbulent, it is possible that the thermally-induced changes in the index of refraction within the air could steer the incident light and be observed as a light shadow.
Usually, humans determine if something is solid by how much light is reflected from it. A flame is not reflecting the surrounding light, it is producing it's own light as a result of the combustion reaction. It is an optical illusion to think the flame is solid enough to bock light and cast a shadow.