Question

Comment on the size and position of image formed by a concave mirror of focal length 15cm when an object is placed:-
a) at 20cm b) 10cm c)35cm, in front of the mirror (without using mirror formula)

Answer 1

a) since object is between f and c it is enlarged and is formed beyond c. image is real and inverted.

b)i mage is virtual erect and enlarged and is formed behinf the mirror

c) image is diminished formed between f and c real and inverted