Question

an object 2cm high is placed at a distance of 10cm from a concave mirror of radius of curvature 40 cm . find the position and size of image formed

Answer 1

Height of object= 2 cm

u=10 cm(negative)

R=40 cm

f=R/2=20 cm(negative)

1/v+1/u=1/f

1/v=1/f-1/u

1/v=1/-20+1/10

1/v=1/10

v=10 cm(positive)

I/O=-v/u

I=-10/-10×2=2 cm

Thus the image is virtual, formed 10 cm behind the mirror and is erect. It is as the same size of object. Plz Mark ans as brainliest