Question

a car driver uses a rear view convex mirror of 2.5 M focal length to see the traffic behind him if another car is 10 M away from the mirror find its image position nature and size

Answer 1

F=2.5

U=-10

V=?

1/f=1/v+1/u

1/2.5=1/v+1/-10

1/v-1/10=1/2.5

1/v=2/5+1/10

1/v=1/2

V=2

m=-v/u

m=-2/-10

m=.2

Diminished,virtual and erect

Answer 2

Answer:

the attached image is the answer for your question