As mary stood outside, it started to precipitate. the precipitation felt like small rocks hitting her! most likely, it was

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

What are similarities and differences of reflection, refraction, diffraction and absorption?