Chapter 30, Problem 23A

How could you demonstrate that an image was indeed a real image?

To determine

If an image is indeed a real image.

Explanation of Solution

Introduction:

Real image can be taken on a screen while a virtual image cannot be obtained on a screen.

An image can be checked if virtual or not by placing a screen on the other side of the lens from which an object is present. If the image can be seen on the screen, then the image is termed as real image otherwise it would be termed as virtual image.

Conclusion:

If image can be seen on the screen, it is termed as real image.