Question

find the distance of the image, when an object is placed on the principle axis at a distance of 10cm in front of a concave mirror whose radius of curvature is 8cm ?

Answer 1

U= -10

F=-4

By mirror formula ,

1/v+1/u =1/f

1/v = 1/f-1/u

1/v =1/10–1/4

1/v=-3/20

V=-20/3