Mr. Mann explained that when light passes from air into the water, the light waves bend, or , and the pencil appears to be broken.

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Who was the first scientist to measure speed as distance over time?

Which sound characteristic is not affected by the relative motion of an object