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Physics
Physics
Problem
Which equation correctly relates the object distance
s
o
s_o
s
o
, the image distance
s
i
s_i
s
i
, and the focal length
f
f
f
for any thin lens? a)
1
s
o
=
1
f
+
1
s
i
\dfrac{1}{s_o}=\dfrac{1}{f}+\dfrac{1}{s_i}
s
o
1
=
f
1
+
s
i
1
b)
1
s
i
−
1
s
o
=
1
f
\dfrac{1}{s_i}-\dfrac{1}{s_o}=\dfrac{1}{f}
s
i
1
−
s
o
1
=
f
1
c)
1
s
i
+
1
s
o
=
1
f
\dfrac{1}{s_i}+\dfrac{1}{s_o}=\dfrac{1}{f}
s
i
1
+
s
o
1
=
f
1
d)
1
s
i
+
1
s
o
=
2
f
\dfrac{1}{s_i}+\dfrac{1}{s_o}=\dfrac{2}{f}
s
i
1
+
s
o
1
=
f
2
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