Author Question: Which is a useful property of a prism? A) internally reflects 100 of incident light B) changes ... (Read 61 times)

cdr_15 · **on:** Jul 29, 2018

Which is a useful property of a prism?

A) internally reflects 100 of incident light
B) changes directions of light in a variety of ways
C) re-inverts images
D) all the above
E) none of the above

Question 2

When you are beneath the surface of water and looking upward, light from above is seen

A) within a cone of 96.
B) at angles beyond a cone of 96.
C) at any angle if the surface is smooth.