Section 17.1
Reflection from Plane Mirrors
Practice Test
1.
How does light normally travel?
a.
always toward a dark area
b.
in a straight line
c.
in concentric circles
d.
in a curved line
Hint
2.
The line perpendicular to the reflective surface is the __________.
a.
line of incidence
b.
line of refraction
c.
normal
d.
line of reflection
Hint
3.
You are standing in front of a bathroom mirror. Where is your image located?
a.
between you and the mirror
b.
in front of the mirror
c.
behind the mirror
d.
behind you
Hint
4.
If in Figure 17-4 the image of the lamp is 5 ft behind the mirror and the girl is 1 ft in front of the mirror, where is the lamp?
a.
6 ft behind the girl
b.
4 ft behind the girl
c.
10 ft behind the girl
d.
5 ft behind the girl
Hint
5.
Your image in a bathroom mirror results from __________.
a.
diffuse reflection
b.
specular refraction
c.
specular reflection
d.
diffuse refraction
Hint
6.
In Figure 17-6, if the flame on the candle is 2 cm tall, how tall is the flame of the image?
a.
2 cm
b.
4 cm
c.
8 cm
d.
1 cm
Hint
7.
Which statement about the light rays in Figure 17-5 is true?
a.
The light originates from the boy's eyes.
b.
The light originates from the bird.
c.
The light originates from the bird's image.
d.
The image of the bird creates light rays.
Hint
