2. What is the image description of a 3 cm tall pen light when placed at distance of 30.5 cm, from a converging lens having a focal length of 10.2 cm?
Given:
do=30.5 cmd_o=30.5\:\rm cmdo=30.5cm
f=10.2 cmf=10.2\;\rm cmf=10.2cm
ho=3 cmh_o=3\:\rm cmho=3cm
The thin lens equation says
Image size
Image: inverted, reduced, real.
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