An object is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position and nature of the image.

Explanation

Here, `u= -20cm, R =30 cm, v=?`
From `(1)/(v) + 1/u =(1)/(f) =2/R, (1)/(v) =2/R - 1/u = 2/30 + 1/20= 4+3/60=7/60`
`v=60/7=8.57 cm`.