Author Question: A person standing waist-deep in a swimming pool appears to have short legs because of light A) ... (Read 47 times)

geoffrey · **on:** Jul 29, 2018

A person standing waist-deep in a swimming pool appears to have short legs because of light

A) reflection.
B) absorption.
C) interference.
D) diffraction.
E) refraction.

Question 2

The index of refraction for crown glass, common in eyeglasses, is 1.52. The index of refraction of a particular plastic lens is 1.76. Light bends more in the

A) crown glass.
B) plastic lens.
C) same speed in each.
D) need more information