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Chery Chery
wrote...
Posts: 3587
7 years ago
A cell phone is placed 40 cm in front of a convex lens with a focal length of magnitude 20 cm.  How far is the image of this phone from the lens?
A) 40 cm
B) 20 cm
C) 13 cm
D) 60 cm
E) 10 cm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 318 times
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Answer verified by a subject expert
noreyaganoreyaga
wrote...
Top Poster
Posts: 649
7 years ago
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Chery Author
wrote...
7 years ago
You're right again!

Appreciate it
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