- #1
SamTsui86
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Homework Statement
A converging lens with a 50.0 mm focal length is used to focus an image of a very distant scene onto a flat screen 37.0 mm wide. What is the angular width of the scene included in the image on the screen?
Homework Equations
The Attempt at a Solution
Basically I just did tan-1(37/50) = 36.5
What are I doing wrong?