What is the value of the angle of refraction of light from a crown glass slab when the angle of incidence is 50°? the slab has a refractive index of 1.52 and the first medium is air.

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

If a balloon is taken outside on a very cold day, what will occur?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.