Practice Problems
Thin Lens Equation
Directions:
On this worksheet you will be able to practice using the thin lens equation with spherical lenses.
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Question 1
A 16-cm tall object is placed 36 cm from a converging lens that has a focal length of 11 cm. At what
distance
from the lens will the image be formed?
25.0 cm
6.3 cm
4.0 cm
15.8 cm
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Question 2
How tall is the image formed in
Question 1
?
1.8 cm
11.1 cm
2.8 cm
7.0 cm
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Question 3
Describe the image formed in
Question 1
.
real and inverted
virtual and upright
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Question 4
The same 16-cm tall object is now placed 36 cm from a diverging lens that has a focal length of -26 cm. At what
distance
from the lens will the image be formed?
10.0 cm
15.1 cm
1.6 cm
62.0 cm
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Question 5
How tall is the image formed in
Question 4
?
6.7 cm
27.6 cm
4.4 cm
0.7 cm
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Question 6
Describe the image formed in
Question 4
.
real and inverted
virtual and upright
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Question 7
Which image, that produced in
Question 3
or in
Question 6
, was formed by converging rays?
Question 6
Question 3
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Question 8
Which lens could be used to produce a virutal image taller than the object?
Question 1
Question 4
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Question 9
At what
distance
in front of the lens in
Question 8
should the 16-cm tall object be placed to produce a virtual image that is 5 times taller?
8.8 cm
55.0 cm
8.3 cm
2.2 cm
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