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Homework Statement
An object is placed 15cm from a certain mirror, the image is half the size of the object, upright, and virtual. how far is the image fromt he mirror, and what is the radius of curavature of the mirror?
Homework Equations
1/f = 1/p + 1/q
f= r/2
The Attempt at a Solution
1/f = 1/p + 1/q
1/15= 1/-7.5
1/q = 1/5cm
f= r/2
r=f*2
15*2= 30cm