long story short we had to use the fire extinguisher today and we live in an apt building of 6 apts and 3 floors each with 1 extinguisher just wondering does the manager replace/refill or is it our responsibly since we used it. Nothing was damaged but just trying to figure out what to do now
Reflection photons of light bounce off the surface of the (reflective) material Refraction photons of light and 'deflected' through some angle on entering or leaving (transparent) material of different 'density' Diffraction .. photons under go Quantum interference (with themselves) and the path is PROBABLY bent (or not) in a range of directions ..
