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प्रश्न
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.
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उत्तर
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संबंधित प्रश्न
A concave mirror converges the light-rays, but a convex mirror diverges them.
Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
What is mirage? Give a reason for its formation?
State the two laws of reflection of light.
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.
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______
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 |
Write the difference between real images and virtual images.
