Question

what is meant by magnification.Write its exprension.what is its sign for
a)real image b)virtual image

help me complete this answer​

Answer 1

Answer:

Magnification is the ratio of the image distance to the object distance. On the other hand, magnification can be defined as the ratio of the image height to the object height. ... Again, if the magnification is positive sign, it means that the image is virtual and erect. In this case, the image distance is negative.

Answer 2

Answer:

Magnification is the ratio of the image distance to the object distance.

On the other hand, magnification can be defined as the ratio of the image height to the object height.

The expression for the magnification is

Here, M is magnification, Di is the image distance, Do is the object distance, Hi, is the image height, and Ho the object height.