Question

a concave mirror produce three times magnified real image of an object placed at 20 cm in front of it . where is the image formed?​

Answer 1

Answer:

m= -3 (real image)

u =-10cm

m = -v/u

v = -m * u

v = - (-3) * (-10) = -30 cm

image is at 30cm in front of mirror.