Homework Statement
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What is directly given in the problem:
Converging lens with f=1.43m
Hi = 2m
Homework Equations
Hi/Ho = di/do
M = Hi/Ho = di/do
1/f = 1/do + 1/di
The Attempt at a Solution
Ho = 2m * 20 = 40m
Not sure how I can get do from this. All of the equations seem to need di.