Question

A point object is placed at a distance of 10 cm
and its real image is formed at a distance of 20
cm from a concave mirror. If the object is moved
by 0.1 cm towards the mirror, the image will shift
by about.
(1) 0.4 cm away from the mirror
(2) 0.4 cm towards the mirror
(3) 0.8 cm away from the mirror
(4) 0.8 cm towards the mirror​

Answer 1

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Answer 2

Answer:

The answer is (2) - 0.4cm towards the mirror