Question

No explanation needed , just tell me the correct option plz

Answer 1

Answer:

(c) 20 cm

Explanation:

According to formula

$Magnification = \frac{image~height}{object~height}=-\frac{image~distance}{object~distance}$

And,

$\frac{1}{object~distance}+\frac{1}{image\,distance}=\frac{2}{Radius\,of\,curvature}$

Answer 2

Answer:

c.

is the answer of your question .............