Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Fill in the blank
We are able to see the objects around us due to _________, reflection.
The diagram below in figure shows an object XY in front of a plane mirror MM1 . Draw on the diagram, path of two rays from each point X and Y of the object to show the formation of its image .
Why do automobile drivers prefer convex mirror as a rear vew mirror? Illustrate your answer.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
Complete the path of incident ray in the following case.
The light ray gets _______ when it falls on any polished surface.
A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
Total internal reflection will occur if the angle of reflection is ______.
