Question

A concave mirror is forms a virtual image of size twice that of the object placed at a distance 5cmi from it find the focal length of the mirror and position of image

Answer 1

hope it will help youu

Answer 2

Answer:

(a)-10cm

(b)10cm behind the mirror

Explanation:

Here’s your answer

I=size of the image

O=size of the object

u=object distance

v=image distance