Question

An object is placed 3m away from lens which forms it's image at a distance of 1m on the same side of the lens where the object is placed.find the power of the lens. What is the type of lens used?

Answer 1

It is placed between P and F
The power of lens is 2D
It is convex lens
May it help you
Plz mark it as a brainleust

Answer 2

Use lens formula
1/f = 1/v - 1/u
Here v= -ve
U = -ve
U will get f..
1/f= power of da lens