A wave is incident on the surface of a mirror at an angle of 30° with the normal. At what angle will the outgoing wave reflect?

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

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?

Which notation is used to represent an alpha particle? a. b. c. d.