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प्रश्न
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______
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उत्तर
- The distance between the boy and his image is 4m.
- The height of the image is same.
- When the boy moves 1m forward, the distance between her and her image is 2m
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संबंधित प्रश्न
Name the mirror which forms an erect, virtual and enlarged image of an object. What is the position of object relative to the mirror?
What is a real image? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror?
A plane mirror produces a ______image.
Say TRUE or FALSE
The image formed in a plane mirror is upside down
Figure shows a pencil placed above a mirror
- Draw its image formed by the mirror
- Show how light rays from the object are reflected at the mirror to form the image for the eye.
A person is looking at the image of a tree in a mirror placed 3.5 m in front of him. Given that the tree is at 0.5 m behind his eyes. Find the distance between the image of the tree and his eyes. What are needed to see an object?
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 |
Calculate the number of images formed by plane mirrors kept at an angle of 10° to each other.
An object is placed at a distance of 3cm from a plane mirror. The distance between the object and image is 3cm.
