Question

please answer the questions​

Answer 1

1]  A diminished, real and inverted image is formed between principal focus, F2  and centre of curvature, C2  at the opposite side when an object is placed beyond C1  a convex lens.

2]  An object placed at 2F of a convex lens will produce an image at 2F. As you can clearly see in the diagram that the image formed is real and inverted.

3]  -0.06            [By using formula = M= v/u]

4]  An erect, magnified and virtual image is formed, when an object is placed between the optical centre and principal focus of a lens. An erect, magnified and virtual image is formed, when an object is placed between the optical centre and principal focus of a lens.