Advertisements
Advertisements
प्रश्न
Give two uses of convex mirror.
Advertisements
उत्तर १
Two uses of convex mirror are:
(a) It is used as a rear view mirror in automobile to see the traffic behind.
(b) It is used as reflector for street light bulbs.
उत्तर २
Uses of the concave mirror:
(i) Concave mirrors are used in reflecting microscope
(ii) Concave mirrors are used in shaving and makeup glasses.
Uses of the convex mirror: Convex mirrors are used as a rearview mirror in automobiles as it provides a wider view of the following traffic.
संबंधित प्रश्न
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
Draw a diagram to show the reflection of a ray of light using a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.
Why are infinite images not seen when two plane mirrors are facing each other?
State whether the following statement is true or false. If false, correct it.
The angle of incidence is the angle made by the incident ray with the plane mirror.
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?
 |
 |
| A | B |
 |
 |
| C | D |
You can see a rainbow only when your back is towards the sun.
The angle of incidence is equal to the angle of reflection for perfect reflection.
