Question
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Answer
(1) Lens: $\frac{1}{f}: \frac{1}{v}-\frac{1}{u}$
(2) Magnification: $\frac{h_2}{h_1}$
(3) Refractive index: $\frac{\sin i}{\sin r}$
(2) Magnification: $\frac{h_2}{h_1}$
(3) Refractive index: $\frac{\sin i}{\sin r}$
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