Author Question: A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror ... (Read 108 times)

lbcchick · **on:** Jul 28, 2018

A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror must he look to see his feet?
a. 1 m from the floor
b. 50 cm from the floor
c. 25 cm from the floor
d. at the bottom of the mirror
e. 1.5 m from the floor

Question 2

A layer of kerosene (n = 1.45) is floating on water (n = 1.33). For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?