Question

what happens if you hold the paper at a distance shorter than the focal length from the concave mirror and move it away​

Answer 1

Explanation:

We find there is no point at which the reflected rays converge at a point . But as we move the paper away from the focal point we find images formed at different distance from the mirror .

Answer 2

Question:

what happens if you hold the paper at a distance shorter than the focal length from the concave mirror and move it away

Answer:

First we can find a blurred image and as we move away, we find a brighter spot on the paper. The point where we get a brighter spot is the focus.