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प्रश्न
Distinguish between real and virtual image.
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उत्तर
Real image:
- Can be taken on the screen.
- It is inverted.
- It is formed when light rays after reflection (or refraction) actually meet.
Virtual image:
- Cannot be taken on-screen.
- It is erect.
- It is formed when rays of light after reflection (or refraction) appear to meet.
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संबंधित प्रश्न
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
The angle between the normal and refracted ray is called
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?
Give two characteristics of the virtual image formed by a convex lens.
The image formed by a pinhole camera is inverted because,
Say TRUE or FALSE
The image formed in a pinhole camera is always inverted
Say TRUE or FALSE
The image formed in a plane mirror is upside down
Match the following:
| 1. | Real image | a. | Diffuse reflection |
| 2. | Virtual image | b. | An optical device which produces reflection |
| 3. | Mirror | c. | Cannot be taken on screen |
| 4. | A type of light scattering | d. | Can be taken on screen |
A real image is inverted and can be caught on the screen.
