Question

An object is placed at a distance of 30 cm from the lens
Its image is formed at a distance of 10 cm on the sam


side of the lens. Find the focal length of the lens used.​

Answer 1

Answer:

15 cm

Explanation:

using lense formula ...

u = -30 ...v=. -10.....

put these in lense formula....and you will get f= 15cm

Answer 2

Answer:

the object will sex with you