Question

calculate the focal length of a conxer lens when an object is placed at 10 cm from the optic centre and the image obtained at 5cm from the optic centre.​

Answer 1

Answer:

focal length is 3.333

please give me a branlist

Answer 2

Explanation:

f =10

1/f=1/v+1/u

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

1/f=2-1/10

1/f =1/10

f=10