1.

An object is placed at a distance of 20 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.

Answer»

SOLUTION :u=-20cm, f=15cm
`1/f=1/u+1/v`
`1/v=1/15-1/(-20)`
`1/v=1/15+1/20=7/60`
`v=8.57` CM
Nature of the IMAGE : Virtual.


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