When the electric field vibrations of a light wave are ...

[jeatrice]

When the electric field vibrations of a light
  wave are restricted to one direction, the
  wave has been
  a) dispersed.
  b) diffused.
  c) diffracted.
  d) polarized.

Question 2

A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is negative. The sphere is
 a. rotating clockwise and slowing down.
  b. rotating counterclockwise and slowing down.
  c. rotating clockwise and speeding up.
  d. rotating counterclockwise and speeding up.
  e. first rotating counterclockwise and then clockwise.

[polinasid]

Answer to Question 1

d

Answer to Question 2

c

[jeatrice]

Thank you!

[polinasid]

Always glad to help...