The diagram shows a ray of light reflecting from a plane mirror. Which two angles are equal by the law of reflection?

angle 2 and 3

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

answer; how far out of place which the object finished relative to the starting location;