Two polarizers are held in front of a light source such that their transmission axes are parallel. as the angle between  the two transmission axes increases toward 90°, which of the following is true? a. the intensity of the transmitted light increases. b. the intensity of the transmitted light decreases. c. the amount of light reflected back to the source increases .d. the amount of light reflected back to the source decreases.

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?