AnswersFall 24 GSE Physical Science B ICSound Waves

Reflection and Mirrors Answers

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1
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Harry is reading an online summary of the law of reflection. The site states that after light hits a mirror, the angle of reflection is the angle between the reflected ray and the normal, which is the surface of the mirror.

A
The normal is a line perpendicular to the surface of the mirror.
B
The normal is a line perpendicular to the incoming ray.
C
The angle of reflection is the angle between the incoming ray and the normal.
D
The angle of reflection is the angle between the reflected ray and the incoming ray.
2
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Which describes one feature of the image formed by a plane mirror?

A
real image
B
larger than the object
C
upside down
D
right side up
3

A light ray hits a hard, opaque object. The angle at which the light ray bounces off the object depends on

A
the smoothness of the surface.
B
the material the surface is made of.
C
the angle at which the light hits the surface.
D
the source of the light that hits the surface.
4

The diagram below shows a paper clip in front of a mirror.Where will the image of the paper clip appear to the observer?

Question illustration
A
1
B
2
C
3
D
4
5

How does a concave mirror form an image?

A
It bends the light toward a focal point.
B
It bends the light away from a focal point.
C
It bounces the light toward a focal point.
D
It bounces the light away from a focal point.
6

You can use the curved part of a spoon as a mirror because it ________ light.Which best completes the statement?

A
reflects
B
refracts
C
absorbs
D
enhances
7

Xander drew a diagram of a candle and its reflection in a mirror as shown below.

Question illustration
A
The reflection of the candle in the concave mirror formed an upside-down real image that is smaller than the candle.
B
The reflection of the candle in the convex mirror formed an upside-down real image that is smaller than the candle.
C
The reflection of the candle in the concave mirror formed an upside-down virtual image that is smaller than the candle.
D
The reflection of the candle in the convex mirror formed an upside-down virtual image that is smaller than the candle.
8

The diagram below illustrates the law of reflection.According to the law of reflection, which statement must be true?

Question illustration
A
The measure of angle A equals the measure of angle B.
B
The measure of angle B equals the measure of angle C.
C
The measure of angle A equals the measure of angle C.
D
The measure of angle B equals the measure of angle D.
9

Which building material would provide the best surface for viewing a reflection?

A
cement
B
brick
C
glass
D
wood
10

Which type of surface is best able to reflect light?

A
A rough, cloudy surface.
B
A rough, polished surface.
C
A smooth, polished surface.
D
A smooth, cloudy surface.

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