Practice Problems
Thin Lens Equation
Directions:
On this worksheet you will be able to practice using the thin lens equation.
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Question 1
A 17-cm tall object is placed 29 cm from a converging lens that has a focal length of 10 cm. How far from the lens will the image be formed?
15.3 cm
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Question 2
How tall is the image formed in
Question 1
?
8.9 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 17-cm tall object is now placed 29 cm from a diverging lens that has a focal length of -24 cm. How far from the lens will the image be formed?
13.1 cm
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Question 5
How tall is the image formed in
Question 4
?
7.7 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 lens could be used to produce a virutal image taller than the object?
Question 4
Question 1
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Question 8
At what distance in front of the lens in
Question 7
should the 17-cm tall object be placed to produce a virtual image that is 2 times taller?
6.7 cm
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