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प्रश्न
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?
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उत्तर
REAL IMAGE. “When rays of light after reflection or refraction actually meet at some other point” the image is real. Concave mirror.
Except between pole and focus, the image formed is REAL
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संबंधित प्रश्न
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
What is mirage? Give a reason for its formation?
State the two laws of reflection of light.
Name the mirror which forms an erect, virtual and enlarged image of an object. What is the position of object relative to the mirror?
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
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.
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 |
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.
A concave lens produces only ______ image.
