Figure shows a point object and a converging lens. Find the final image formed.

Explanation

`(1)/(v) - (1)/(u) = (1)/(f)`
`(1)/(v) - (1)/(-15) = (1)/(10)`
`(1)/(v) = (1)/(10) - (1)/(15) = (1)/(30)`
`v = +30 cm`