Question

An object of 6 cm. heigh is placed before a convex lens at a
distance of 15 cm. An inverted image is formed on a screen
placed at 10 cm. Calculate the focal length of the lens and the
size of the image.​

Answer 1

Answer:

I think you can simply use the lens formula.Try the question by yourself and then if you can't do I shall solve your question. Don't worry.