Light can travel through a medium, but it does not require a medium.
a. true
b. false

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Name the non metal condut electricity