Question

pls ans question ten​

Answer 1

Answer:

Object distance = -20cm

Image distance = 30cm

Magnification also refers to the image distance and object distance

Therefore,

$m = \frac{ - v}{u}$

$m = \frac{ - v}{u} \\ m = \frac{ - 30}{20} \\ m = \frac{ - 3}{2}$