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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.
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.
State the changes in the position, size and nature of the image when the object is brought from infinity up to a concave lens. Illustrate your answer by drawing ray diagrams.
You can see your image in polished floors, but not in wooden table because ______.
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?
We can create enlarged, virtual images with ______.
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 |
If magnification is +1.5. The image is ______.
Distinguish between real & virtual images.
