Math, asked by nishantrai73525, 7 months ago

an object is placed at a distance of 40 cm from a concave mirror of focal length 15 CM if the object is placed through a distance of 20cm towards the mirror then what is the displacement

Answers

Answered by Anonymous

1

Step-by-step explanation:

half of the focal length

15=7.5+7.5

ans=7.5

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