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प्रश्न
उत्तर
| Real image | Virtual image | |
| 1. | When the rays of light diverging from a point after reflection or refraction actually converge at some point, then that point is the real image of the object. | When the rays of light diverging from a point after reflection or refraction appear to diverge from some other point. |
| 2. | A real image is always inverted and can be taken on the screen. | A virtual image is always erect and cannot be taken on the screen. |
| 3. | A real image is formed by eye, photographic camera, convex lens except when the object is very close to a concave mirror. |
A virtual image is formed by a plane mirror, a convex mirror and a concave lens. |
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संबंधित प्रश्न
A ray of light falls normally on a glass slab. What is the angle of incidence?
A ray of light travels from a rarer medium to a denser medium. How will it bend?
The diagram in figure shows a ray of light AO falling on a rectangular glass slab PQRS. Complete the diagram till the ray of light emerges out of the slab. Label on the diagram the incident ray, the refracted ray and the emergent ray.
What is mirage? Give a reason for its formation?
State the changes in the position, size and nature of the image when the object is brought from infinity up to the convex lens. Illustrate your answer by drawing ray diagrams.
The image which can be obtained on a screen is called ______.
A virtual image is ______.
An object is placed at a distance of 3cm from a plane mirror. The distance between the object and image is 3cm.
Describe the nature of images formed by plane mirrors.
Distinguish between real & virtual images.
