Find the distance of the image when an object is placed on the principle axis at a distance of 10cm infront of a concave mirror whose radius of curvature is 8m?

Using 1/f=1/u+1/v formula

1 Answer
A08
May 3, 2018

We know that focal length of a concave mirror whose radius of curvature is #8\ m# is given as

#f=8/2=4\ m#

Using the given formula and inserting given values in same units we get

#1/f=1/u+1/v#
#1/4=1/0.1+1/v#
#=>1/v=1/4-10#
#=>1/v=-39/4#
#=>v=-0.102\ m#

The image is virtual and formed behind the mirror. It is magnified and upright.

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