Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH6 Light2 Marks
Question
What do you mean by linear magnification?
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Answer
It is defined as the ratio of the height of the image $\left(h_i\right)$ to the height of the object $\left(h_{\circ}\right)$.
\[
m=\frac{h_i}{h_o}(\text { or }) \quad m=-\frac{v}{u}
\]
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