- #1
oneplusone
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Homework Statement
A 3 cm tall object is placed 11 m from a wall. If the image is to be projected upside down with a 20 cm focal lense, what is:
A} The type of lens used?
B] Where is the lens placed?
C] What is the height of the image?
D] What is the magnification of the lens?
Homework Equations
1/f = 1/d_i + 1/d_o
The Attempt at a Solution
I have gotten the answers:
B] 0.2037
C] -1.5899
D] -69.999
My textbook does not supply answers, therefore I am unsure if mine are correct.
Thanks for the help,
OPO