Reflection Using Mirrors (Grades 11-12)
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Reflection Using Mirrors
Instructions: Read each question carefully. Choose the answer that best fits the question. Short answer response questions must be responded to in complete sentences. If the question involves calculations, you must show all your math work.
1.
The imaginary line perpendicular to the boundary of two materials or to a reflective surface is called the .
- normal
- phase line
- refractive path
- reflection path
2.
When an image is reflected off a concave mirror, how does the image appear to the eye?

- The image is magnified because a concave mirror is divergent.
- The image is magnified because a concave mirror is convergent.
- The image is reduced because a concave mirror is divergent.
- The image is reduced because a concave mirror is convergent.
3.
An object's reflection in a plane mirror appears to be 30 m away. How far is the real object from the mirror?
- 60 m
- 30 m
- 15 m
- impossible to determine
4.
A flat surface that produces an image by regular reflection is
- a plane mirror.
- a convex mirror.
- a concave mirror.
- none of the above.
5.
When an image is reflected off a convex mirror, how does the image appear to the eye?

- The image is magnified because a convex mirror is divergent.
- The image is magnified because a convex mirror is convergent.
- The image is reduced because a convex mirror is divergent.
- The image is reduced because a convex mirror is convergent.
6.
Use the diagram below and the Law of Reflection to answer the following questions.

A.
What do you call line b in the image?
- the line of reflection
- the normal
- the line of incidence
- the perpendicular
B.
If [math]angd=54deg[/math], what is the measure of the angle of reflection?
- [math]144deg[/math]
- [math]54deg[/math]
- [math]108deg[/math]
- [math]36deg[/math]
C.
Which is the angle of incidence, and which is the angle of reflection? (Correct answer must be given in the order of the questions.)
- [math]angd" ; "anga[/math]
- [math]angc" ; "angb[/math]
- [math]angb" ; "angc[/math]
- [math]anga" ; "angd[/math]
D.
Which line in the image represents the incident ray?
- line a
- line b
- line c
- line d
7.
Because of what a telescope does, it must be made with mirrors to magnify images of objects in the sky.
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