When the angle of refraction is 20°, what is the angle of incidence?

When a neutrally charged atom loses an electron to another atom, the result is the creation of a. two charged atoms. b. two negatively charged atoms. c. two positively charged atoms. d. two neutrally charged atoms.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?