WorksheetsOptical Geometry (mirrors) RETAKE
Total questions: 9
Worksheet time: 30mins
If you stand 2 feet away from a plane mirror, how far is it from you to your image?
2.0 ft
3.0 ft
4.0 ft
5.0 ft
all/none/same
A dentist uses a spherical mirror to produce an upright image of a patient's tooth that is magnified by a factor of 4.5 when placed 1.8 cm from the tooth. What type of mirror is being used?
plane
concave
convex
obtuse
all/none/same
A dentist uses a spherical mirror to produce an upright image of a patient's tooth that is magnified by a factor of 4.5 when placed 1.8 cm from the tooth. What is the focal length of the mirror?
8.1 cm
6.3 cm
4.5 cm
2.3 cm
0.43 cm
A concave mirror produces an inverted image 8.5cm tall, located 34.5 cm in front of the mirror. If the focal point of the mirror is 24.0 cm, then what is the height of the object that is reflected?
2.3cm
3.5cm
14cm
19cm
all/none/same
A concave mirror with a focal length of 16.0cm produces an image located 38.6 cm from the mirror. What is the distance of the object from the front of the mirror?
2.4 cm
11.3 cm
22.6 cm
27.3 cm
all/none/same
A convex mirror is used to produce an image that is three-fourths the size of an object and located 8.4cm behind the mirror. What is the focal length of the mirror?
-24 cm
-11 cm
-6.3 cm
-4.8 cm
all/none/same
A cup sits 17 cm from a concave mirror. The image of the cup appears 34 m in front of the mirror. What are the magnification and orientation of the cup's image?
0.5, inverted
0.5, upright
2.0, inverted
2.0, upright
all/none/same
Where is the object located if the image that is produced by a concave mirror is smaller than the object?
at the mirror's focal point
between the mirror and the focal point
between the focal point and center of curvature
past the center of curvature
all/none/same
What is the focal length of a concave mirror that magnifies, by a factor of +3.2, an object that is placed 30 cm from the mirror?
-42 cm
-26 cm
-8.4 cm
8.4 cm
all/none/same
