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प्रश्न
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?
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उत्तर
It is CONVEX MIRROR. The size of the image is smaller than the size of the object, but when the object is at infinity the size of image is POINT size.
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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.
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.
A lens always forms an image between the object and the lens. State three characteristics of the image.
Distinguish between real and virtual image.
Say TRUE or FALSE
The image formed by the plane mirror is laterally inverted, hence the image seen through the periscope is also laterally 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______
What are the characteristics of an image formed in a plane mirror?
We can create enlarged, virtual images with ______.
The images that are obtained on a screen are called ______ and that which cannot be obtained on a screen ______.
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 |
