Light coming out of torch
Answers
Answer:
what is this?
what you actually mean??
Answer:
So the way light works is, it spreads from a 'pure source' in a sphere. Take a candlelight. That's a pure source, without any 'reflectors' or alterations made to the light. Now, add a mirror on one side of the candlelight. This way, the side of the mirror has (close to) 0 light, and the side opposite has more, due to the reflection.
Conventional bulbs and even LED's work in a similar fashion in this regard. After light has been emmited by the pure source, reflectors and other techniques (like lenses) are used to focus light in a particular way. Thus, some torches have great 'length' of illumination while others cover a wider 'area'.
As far as the 'being pushed out of the torch' part is concerned, light does that by nature. You can go ahead and read up on how it behaves both like a particle and a wave, and what characters each imparts to it. Quite fun.
Step-by-step explanation:
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Hope this helped.