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Physics
Physics
Problem
A convex mirror has a focal length of
+
12
cm
+12\,\text{cm}
+
12
cm
. Where should an object be placed so that the mirror produces an image with a magnification of
+
0.60
+0.60
+
0.60
? a)
u
=
+
8
cm
u=+8\,\text{cm}
u
=
+
8
cm
b)
u
=
−
20
cm
u=-20\,\text{cm}
u
=
−
20
cm
c)
u
=
−
8
cm
u=-8\,\text{cm}
u
=
−
8
cm
d)
u
=
−
32
cm
u=-32\,\text{cm}
u
=
−
32
cm
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