Question

If the magnification of a body of size 1 m is 2, what is the size of the image?

Answer 1

Size of body (h) = 1 m
Size of image (h') = ?
Magnification (m) = 2
We know that,

m = $\frac{\mathrm{h}\text{'}}{\mathrm{h}}$

$2=\frac{\mathrm{h}\text{'}}{1}$

h' = 2 m

Size of the image is 2 m.