Question

please answer my 11th question​

Answer 1

Answer:

it is math I don't understand it sorry

Answer 2

focal length, f = -12cm

Object distance, u = -60 cm

$\frac{1}{f} = \frac{1}{v} + \frac{1}{u}$

magnification (M) =

$\frac{hi}{ho} = \frac{ - v}{u}$