☑️For total internal reflection to occur, 2 conditions must be satisfied ___✌️
1. The index of refraction must decrease across the boundary in the direction of light refraction.
2. The angle of incidence of the light ray must exceed the critical angle of the interface.
chemical reactions cause atoms to be rearranged.
and maybe atoms cannot be created or destroyed. he said were the smallest so i guess he meant couldn't be destroyed or broken down.
at daltons time, didn't know about protons, electrons and neurtons or a nucleus.
a hollow and a solid conducting sphere hold the same amount of charge.
i hope it's : )