Question

In a convex, when the object is kept at a distance of 20cm from the mirror, the image is formed

at the distance of 5cm from the mirror. What will be the change in the image distance if the object

distance is doubled?​

Answer 1

Explanation:

Type this question in Google you will get similar results there.... And in this question apply mirror formula.

Answer 2

Answer:

v=-4

Explanation:

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

u=20, v=-5

1/20-1/5=1/f

f=-20/3

if doubled,

40 cm

1/v=1/f-1/u

1/v=-3/20-1/40

1/v=-1/4

v=-4