Question

an object is placed at a distance of 10 centimetre in front of a convex mirror . the image is formed at 5 cm . find the focal length of the convex mirror. ​

Answer 1

Given, u=-10cm, v = 5cm

Explanation:

Using mirror formula,

1/v+1/u=1/f

1/5+1/-10=1/f

2-1/10=1/f

1/10=1/f

F=10cm