Advertisements
Advertisements
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______
Advertisements
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
APPEARS IN
संबंधित प्रश्न
A concave mirror forms a virtual image for an object placed ...............................
The angle between the normal and refracted ray is called
Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.
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.
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?
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 |
Distinguish between real & virtual images.
