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- 1. Multiple Choice
1 . A ray of light passing through the focal point at an angle to the optic axis of a concave mirror is reflected back to ___________.
Through the focal point.
Parallel to the optic axis
In the horizontal direction.
Through the center of the sphere.
- 2. Multiple Choice
2. Why the back surfaces of automobile headlights are curved?
To concentrate light in one direction.
To get multiple images of the filament.
For structural reasons not related to optics.
Because inverted, real images of filaments shine brighter.
- 3. Multiple Choice
3. A human eye employs a _____ lens to form _____ images.
Converging .... real
Converging .... virtual
. Diverging .... real
. Diverging .... real
- 4. Multiple Choice
4. In most cameras the location of the image is adjusted to appear on the film by changing the ______.
Position of the lens.
Diameter of the diaphragm.
Shape of the lens.
Focal length of the lens.
- 5. Multiple Choice
A person views his image in front of a mirror. His image appeared to be real, inverted and larger than him. What kind of mirror did he used?
. Plane Mirror
Convex mirror
Concave Mirror
Magic Mirror
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