1.

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of image.

Answer»

SOLUTION :u=-10cm, f=15cm,v=?
`1/v=1/f-1/u=1/15-1/(-10)=1/15+1/10=25/150`
`v=150/25=6cm`
IMAGE is virtual erect, SMALL in size and BEHIND the MIRROR.


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