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WorksheetsReflection and Mirrors/Refraction and Lenses
Total questions: 30
Worksheet time: 29mins
A converging lens is also known as a ____ lens.
convex
concave
reflected
refracted
An object is placed on the focal point in front of a convex lens. What image is produced?
virtual, reduced, inverted
real, enlarged, inverted
virtual, enlarged, inverted
No image
An object is placed BETWEEN the focal point and a convex lens. What image is produced?
real, reduced, and inverted
real, enlarged, and upright
virtual, enlarged, and upright
No image
A concave lense is also known as a diverging lense?
False
True
What is it called when light travels through a material and bends?
Diffraction
Reflecting
Refraction
The point where the rays meet is known as....
Point of no return
Facol Point
Focal Point
C Point
a real image is...
produced by virtual rays and can be projected on a screen
produced by real rays and CANNOT be projected on a screen
produced by virtual images and CANNOT be projected on a screen
produced by real rays and can be projected on a screen
What types of lenses are in human eyes
Concave Lens
Convex Lens
A virtual image is formed when rays of light intersect
True
False
Sometimes
The image of an object is placed one meter in front of a plane mirror. Where will the image be and what will it look like?
behind the mirror and reversed
behind the mirror and upright
in front of the mirror and reversed
in front of the mirror and upright
Which of the following bends light inward?
convex lens
concave lens
plane mirror
spherical mirror
What could the manager of a store hang on the wall in order to see a wider image of his store and his customers?
a convex mirror
a concave mirror
a plane mirror
a spherical mirror
A flat mirror is also known as a___.
plane mirror
concave mirror
convex mirror
spherical mirror
Which type of lense is thicker in the middle than on the outside?
diverging
concave
convex
achromatic
What type of mirror can be used to magnify a small object?
a convex mirror
a concave mirror
a flat mirror
a spherical mirror
What is the Focal length?
The distance between the front and the back of the camera where the image is formed.
The distance between the image and the back of the camera where the image is formed.
The distance between the lens and the back of the camera where the image is formed.
The distance between the lens and the front of the camera where the image is formed.
What image is shown?
Inverted and reduced
Inverted and enlarged
upright and reduced
upright and enlarged
A convex lens has a focal length of f. If the object is placed at 2f , what distance will the image appear?
2f
f
between f and 2f
it will not appear
In a spherical concave mirror, light that is parallel to the optical axis will be reflected _____
parallel to the optical axis
through the center of curvature
through the focal point
back to the origin
Which of the following (more than one answer) diagrams shows concave lenses?
How fast does the distance between yourself and your mirror image decrease if you walk directly toward the mirror at 3.5 m/s?
-3.5 m/s
3.5 m/s
7.0 m/s
-7.0 m/s
You are standing 5.0m in front of a mirror and your dog is standing 3.0m in front of you. What distance should you focus your camera to take a photo of your sister in the mirror?
7.5 m
8.0 m
7.0 m
5.0 m
A beam of light strikes a mirror at a 27° to the normal. What is the angle between the incident and reflected beams?
13.5°
27°
54°
41.5°
A reflecting globe is 35.0 cm in diameter. What is the focal length of the globe?
70.0cm
35.0cm
17.5cm
8.75cm
What is the radius of curvature of a concave mirror with a focal length 22cm
12cm
44cm
11cm
34.5cm
What is the focal length of a convex mirror that has a radius of curvature of 64cm?
-32cm
32cm
128cm
8cm
focal length = _____.
radius of curvature
diameter of curvature
half the radius of curvature
half the diameter of curvature
An object is placed 10 m from a convex mirror. The image formed is 5 m behind the mirror. What is the focal length?
-5 cm
5 cm
10 cm
-10cm
A real image has a size of 10 cm, formed by a concave mirror. The actual size of the object is 5 cm.What is the magnification of the object?
-5
5
2
-2
What is the distance between the focal point and the mirror called?
Herbert
diameter of radius
curvature point
focal length
