Calculate the position of an object placed in front of a convex mirror having focal length of 12 cm such that an image is formed 6 cm away from the mirror

Calculate the position of an object placed in front of a convex mirror having focal length of 12 cm such that an image is formed 6 cm away from the mirror

Answer Details

f = -12 cm, v = - 6 cm (1)/v + (1)/u =(1)/f (1)/-6 + (1)/u = (1)/-12 (1)/u = (1)/-12 + (1)/6 = (1 + 2)/12 = (1)/12 ∴ u = 12 cm