Question

the radius of curvature of a rear view mirror in a car is 4m
if a truck is behind the car located 5 metre from the rear view mirror of the car located the size of the image relief weight of the size of the truck and also find the position of nature of the image formed​

Answer 1

Answer:

R = 2 m

u = -4 m

R=2f ==> f = R/2 = 2/2 = 1 m.

f =1 m

Since the car is 4 m behind the mirror the image formed will be virtual, erect, and diminished.

1/v + 1/u = 1/f

1/v = 1/f - 1/u

1/v = 1 - 1/-4

1/v = 1 + 1/4 = 5/4

v = 4/5 = 0.8 m

The car will appear to be 0.8 m behind the mirror.

Hope

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