Question

Find the position of an object placed in front of a concave
mirror of focal length 20 cm so as to have an image
4 times enlarged.

See the answer is :-
25 cm for real and inverted image and 15 cm for the virtual and erect image
So , it's a request to solve step by step using formula and prove how the answer is 25 cm

spam will be reported​

Answer 1

Explanation:

yes hjjbdgsggggggv cup palatial