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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
A concave mirror forms a virtual image for an object placed ...............................
Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
What is a prism?
Name the mirror which always forms an erect and virtual image. What is the size of the image as compared to that of the object?
Give two characteristics of the virtual image formed by a convex lens.
Say TRUE or FALSE
The image formed in a pinhole camera is always inverted
A boy of height 1m 45 cm is standing in front of a long mirror at a distance of 2 m. From this information, fill up the following sentences:
- The distance between the boy and his image is ______
- The height of the image is______
- When the boy moves 1m forward, the distance between her and her image is______
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
Write the difference between real images and virtual images.
Distinguish between real & virtual images.
