Question

An object is placed at a distance of 40 cm from a
concave mirror of focal length 15 cm. If the object
is displaced through a distance of 20 cm towards
the mirror, the displacement of the image will be
[NEET - 2018]
(1) 30 cm away from the mirror
(2) 36 cm away from the mirror
(3) 36 cm towards the mirror
(4) 30 cm towards the mirror​

Answer 1

Answer:

Explanation:this may help you

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