There are rules like the the inverse square law, where it it often visualized that light travels in rays.
At first the rays are a lot and really dense, the further away the object it hits is, the lesser rays will hit it because it spreads harder than the object is big.
Now with the logic of a watering can. If the water streams would always spread the same amount, there should be places that never get hit by water depending on the distance of the object.
Can this happen with light? Are there blind spots of light even without any direct obstacle? Or does light travel like a wave hitting the shore, without gaps or something? I always wondered
Edit :This is super informative and interesting thank you alot Champs!
In: 1
Light is made of particles, and not lines.
These particles (from an undirected light source) spread out in all directions. If you get so far away that the particles are scarce, then the time between getting hit by them can become significant. At this point things aren’t really “illuminated” in the traditional sense, since even a single particle of light strikes fairly rarely.
This is connected to the wavelike nature of light. Where the waves are stronger, the odds of encountering a particle are higher.
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