Question

if f=20cm,u=60 and find v ​

Answer 1

Answer:

Explanation:

F=20cm

U=60

By using mirrors formula

1/f=1/u+1/v

1/20=1/60+1/v

1/20-1/60=1/v

3-1/60=1/v

2/60=1/v

1/30=1/v

V=30