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An object that is 31 cm in front of a convex mirror has an image located 16 cm behind the mirror. How far behind the mirror is the image located when the object is 24 cm in front of the mirror?

do I use the formula

1/f = 1/di + 1/do??

please help

9 years ago

Answers

bobpursley
yes, that is the right formula. Observe the sign conventions in your text.
9 years ago

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