Question

Radius of curvature mirror is 24cm find the focal length of mirror

Answer 1

Answer:

Given that, R=−24cm

f=−12cm and m=1.5

By the lens formula,

v

1

+

u

1

=

f

1

1.5u

1

+

u

1

=−

12

1

1.5u

2.5

=−

12

1

or, u=−20cm