A beam of light enters from air into water (nwater = 1.33). If the angle of incidence is 55 degrees, then what is the angle of refraction?

Using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

Compare the patterns of the two waves shown in the image. which statement is true about these waves?

Aforce is a vector quantity because it has both?