The term angle of deviation is used in reference to
a. a polarizer.
b. a prism.
c. a lens.
d. an analyzer.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Most short-period comets do not have randomly oriented orbits because

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above