WorksheetsLens Equation
Total questions: 12
Worksheet time: 30mins
Name
Class
Date
1.
In the thin lens equation, do represents
a)
Distance of the object from the lens
b)
Distance of the image from the lens
2.
The do will be a _________________ value.
a)
positive
b)
negative
3.
The di for a real image will be a _________________ value
a)
positive
b)
negative
4.
The do can be a negative value.
a)
True
b)
False
5.
The di for a virtual image will have a ______ value.
a)
positive
b)
negative
6.
The value for f is negative in this diagram.
a)
True
b)
False
7.
Magnification is always positive.
a)
True
b)
False
8.
An object is placed 8 m in front of converging lens. A real image is produced at 12 m. Find the focal distance of the lens.
a)
4.8
b)
6.2
c)
3.5
d)
8.1
9.
A 15.0 m object is placed 60.0 m from a convex lens, which has a focal length of 15.0 m. Use the thin lens equation to find the distance of the image.
a)
10
b)
20
c)
30
d)
40
10.
A 15.0 m object is placed 30.0 m from a convex lens, which has a focal length of 15.0 m. Use the thin lens equation to find the distance of the image.
a)
10
b)
20
c)
30
d)
40
11.
A 15.0 m object is placed 15.0 m from a convex lens, which has a focal length of 15.0 m. Find distance of image.
a)
No Image
b)
10
c)
20
d)
30
12.
A 15.0 m object is placed 10.0 m from a convex lens, which has a focal length of 15.0 m.
Use the thin lens equation to find the distance of the image.
a)
-10
b)
10
c)
-30
d)
30
100 %
