Computer Applications
Answer
The difference between a real and a virtual image are as follows —
| Real image | Virtual image |
|---|---|
| A real image is formed due to actual intersection of the reflected rays. | A virtual image is formed when the reflected rays appear to meet when produced backwards. |
| A real image can be obtained on a screen. | A virtual image cannot be obtained on a screen. |
| A real image is inverted with respect to the object | A virtual image image is erect with respect to the object. |
| Example — The image of a distant object formed by a concave mirror. | Example — The image of an object formed by a plane mirror or by a convex mirror. |
Related Questions
Draw a diagram to show the reflection of a ray of light by a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.
(a) Write three characteristics of image formed by a plane mirror?
(b) How is the position of the image related to the position of the object?
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
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