Question

A luminous point object is moving along the principal axis of a concave mirror of focal length 12cm towards it. When its distance from the mirror is 20cm its velocity is 4cm//s. The velocity of the image in cm//s at that instant is

Answer 1

Answer:

A luminous point object is moving along the principal axis of a concave mirror of focal length 12cm towards it. When its distance from the mirror is 20cm its velocity is 4cm/s. The velocity of the image in cm/s at that instant is. 9towards the mirror.

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