A converging lens of focal length 15cm forms a virtual image at a point 10cm...

A converging lens of focal length 15cm forms a virtual image at a point 10cm from the lens. Calculate the distance of the object from the lens

The correct answer is: B

\(\frac{1}{u} + \frac{1}{v} = \frac{1}{f} = \frac{1}{15} + \frac{1}{10}\)

u = 6.00