Question

an object is at a distance of 3 cm from the pole of concave mirror and the image is at a distance of 20 cm from the pole of the mirror and find the magnification of the image


plsss answer
very urgent​

Answer 1

Answer:

m = - 20/3

Explanation:

• u = - 3 cm
• v = - 20 cm
• m = - (v/u)

            = - ( -20/-3)

            = -20/3

Answer 2

Answer:

object distance (u)=-3cm

image distance (v)=-20cm

Magnification (m)=-v/u

=-(-20)/-3

=-20/3

=-6.6