Question

An object, 4.0 cm in size, is placed at 25.0 cm in front of a concave mirror of focal length 15.0 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Find the nature and the size of the image.​

Answer 1

Explanation:

In the given Figure O is center of circle and chords AB and CD intersect at point E prove that <AOC+<BOD=

Answer 2

Answer:

this is your answer