Advertisements
Advertisements
प्रश्न
What is a real image?
What are real images?
Advertisements
उत्तर
When the rays of light diverging from a point, after reflection of refraction, actually converge at some point, then that point is the real image of the object.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
State four characteristics of the image formed by a plane mirror.
Figure shows an incident ray AO and the normal ON on a plane mirror. The angle which the incident ray AO makes with mirror is 30°. (a) Find the angle of incidence. (b) Draw the reflected ray and then find the angle between the incident and reflected rays.

What do you understand by the Light?
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
Draw diagrams to show the difference between regular and irregular reflection.
You are provided a convex mirror, a concave mirror and a plane mirror. How will you distinguish between them, without touching or using any other apparatus?
Say TRUE or FALSE
We see planets because they reflect light from the sun
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
What happens when light hits a transparent object?
