Question

An object is placed 0.4 m from the convex mirror. A plane mirror ia placed at a distance of 0.3 m from the object. The image formed in the two mirror coincide without parallax. What is the focal length of the convex mirror?​

Answer 1

Answer:0.4

Step-by-step explanation:

We can take mirror(plane) opposite side of convex mirror also but answer doesn't match that way..So I think it is correct.

I am also a student don't expect expert answer....

Answer 2

Answer:

I think the answer is this