Asked by Claudia

ok the question is:
consider a concave mirror with a focal length of 13.72 cm
find the image distance when the object distance is 6.86 cm.

ok so i did
1/6.86 + 1/q = 1/13.72
so 1/q = -.0728862974
is this right?

Answers

Answered by drwls
Yes. Converting to the image distance, that means q = -13.9 cm
Answered by Claudia
thanks :]
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