Question

rays of a sun are allowed to fall on a concave mirror and moved backward or forward till a sharp image of the sun is obtained.
i)nature of the image?
ii)nature of the point where the sharp image is formed?

Answer 1

1.at the focus
2.real and inverted
3.much smaller than the object

Answer 2

Nature of point: at the focus , real and inverted

Nature: much smaller than the object