Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Difference between convergent and a divergent beam of light.
| Convergent beam | Divergent beam |
| 1. Rays of light converge to a point as the beam progresses | Rays of light diverge from each other as the beam progresses |
| 2. The rays concentrate at a point | The rays emerging from a point source |
| 3. A parallel beam of light converges on passing through a convex lens | A parallel beam of light diverges on passing through a concave lens |
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
Fill in the blank
We are able to see the objects around us due to _________, reflection.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?

Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
Say TRUE or FALSE
We see planets because they reflect light from the sun
Differentiate between a reflection and a shadow
A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
