Physics 1260 Review Questions and
Correct Answers
A - Answer The shortest plane mirror in which you can see your entire image is
A) half your height.
B) about 3/4 your height.
C) about 1/3 your height.
D) equal to your height.
E) dependent on your distance from the mirror
B - Answer To see his full height, Blinky Bill who is 1 meter tall needs a mirror that is
at least
A) 0.33 m tall.
B) 0.50 m tall.
C) 0.75 m tall.
D) 1 m tall.
E) depends on distance from the mirror.
C - Answer If you look at yourself in a pocket mirror, then hold the mirror farther
away, you see
A) more of yourself.
B) less of yourself.
C) the same amount of yourself.
, C - Answer In looking at yourself in a steamy mirror you wipe just enough moisture
away to barely see a full view of your face. If you move back from the mirror you'll see
A) a bit more of your face.
B) a bit less of your face.
C) the same amount of your face.
D - Answer It is difficult to see the roadway when driving on a rainy night mainly
because
A) light scatters from raindrops and reduces the amount of light reaching your eyes.
B) of additional condensation on the inner surface of the windshield.
C) the film of water on your windshield provides an additional reflecting surface.
D) the film of water on the roadway makes the road less diffuse.
E) none of the above
B - Answer Reflected light from the Moon in a lake often appears as a vertical
column when the water is
A) perfectly still.
B) slightly rough.
C) very rough as with churning waves
C - Answer Standing at the shore of a still lake, the reflected view of scenery on the
other side of the lake is the view you would see if you were upside down with your
eye in the line of sight
A) where it already is.
B) at the surface of the water where the light reflects.
C) directly beneath you, as far below water level as you are above.
D) close to the distant shore.
Correct Answers
A - Answer The shortest plane mirror in which you can see your entire image is
A) half your height.
B) about 3/4 your height.
C) about 1/3 your height.
D) equal to your height.
E) dependent on your distance from the mirror
B - Answer To see his full height, Blinky Bill who is 1 meter tall needs a mirror that is
at least
A) 0.33 m tall.
B) 0.50 m tall.
C) 0.75 m tall.
D) 1 m tall.
E) depends on distance from the mirror.
C - Answer If you look at yourself in a pocket mirror, then hold the mirror farther
away, you see
A) more of yourself.
B) less of yourself.
C) the same amount of yourself.
, C - Answer In looking at yourself in a steamy mirror you wipe just enough moisture
away to barely see a full view of your face. If you move back from the mirror you'll see
A) a bit more of your face.
B) a bit less of your face.
C) the same amount of your face.
D - Answer It is difficult to see the roadway when driving on a rainy night mainly
because
A) light scatters from raindrops and reduces the amount of light reaching your eyes.
B) of additional condensation on the inner surface of the windshield.
C) the film of water on your windshield provides an additional reflecting surface.
D) the film of water on the roadway makes the road less diffuse.
E) none of the above
B - Answer Reflected light from the Moon in a lake often appears as a vertical
column when the water is
A) perfectly still.
B) slightly rough.
C) very rough as with churning waves
C - Answer Standing at the shore of a still lake, the reflected view of scenery on the
other side of the lake is the view you would see if you were upside down with your
eye in the line of sight
A) where it already is.
B) at the surface of the water where the light reflects.
C) directly beneath you, as far below water level as you are above.
D) close to the distant shore.
