Last night I woke to go to the bathroom and used my phones light so that I wouldn’t wake my partner.
The light from my phone shone through a green glass bottle and lit the wall up green.
Are light particles uncolored and just affected by the colored glass or do they have properties that are changed?
In: Planetary Science
Photons (light particles) have a particular amount of energy, usually expressed as a wavelength. Depending on the specific amount of energy it has it’ll activate different sensors in your eye that your brain interpret as different colors. Lower energy levels look redder, higher energy levels look bluer. So if you want to change the color of a photon, chance how much energy it has.
In the case of your bottle, it’s acting as a filter. Your phone emits phone of all different energies, which looks white. But the bottle stops all of the ones that aren’t green, so only green photons hit the wall behind it.
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