Practice Problems
Thin Lens Equation
Directions:
On this worksheet you will be able to practice using the thin lens equation.
omit
Question 1
A 19-cm tall object is placed 25 cm from a converging lens that has a focal length of 12 cm. How far from the lens will the image be formed?
23.1 cm
omit
Question 2
How tall is the image formed in
Question 1
?
17.5 cm
omit
Question 3
Describe the image formed in
Question 1
.
virtual and upright
real and inverted
omit
Question 4
The same 19-cm tall object is now placed 25 cm from a diverging lens that has a focal length of -22 cm. How far from the lens will the image be formed?
11.7 cm
omit
Question 5
How tall is the image formed in
Question 4
?
8.9 cm
omit
Question 6
Describe the image formed in
Question 4
.
virtual and upright
real and inverted
omit
Question 7
Which lens could be used to produce a virutal image taller than the object?
Question 4
Question 1
omit
Question 8
At what distance in front of the lens in
Question 7
should the 19-cm tall object be placed to produce a virtual image that is 3 times taller?
9.0 cm
PhysicsLAB
Copyright © 1997-2015
Catharine H. Colwell
All rights reserved.
Application Programmer
Mark Acton