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प्रश्न
State four characteristics of the image formed by a plane mirror.
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उत्तर
- Image formed by a plane mirror is always virtual and erect.
- The size of the image is equal to that of the object.
- The image formed is as far behind the mirror as the object is in front of it.
- The image is laterally inverted.
संबंधित प्रश्न
How is the position of image formed by a plane mirror related to the position of the object ?
What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.
State two uses of a plane mirror.
Explain the differences between regular and irregular reflection light.
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
With the help of diagrams, explain the difference between the regular and irregular reflection.
The diagram in Figure shows a point object P in front of a plane mirror MM1.
(a) Complete the diagram by taking two rays from the point P to show the formation of its image.
(b) In the diagram, mark the position of eye to see the image.
(c) Is the image formed real or virtual? Explain why?
Define Regular 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?
The angle between an incident ray and the mirror is 350.
(i) What is the angle of incidence?
(ii) What is the angle of reflection?
(iii) What is the total angle turned by the ray of light?
(iv) What is the angle between the incident and the reflected rays?
State whether the following statement is true or false. If false, correct it.
If a ray of light incident on a plane mirror is such that it makes an angle of 30o with the mirror, then the angle of reflection is 60o.
Complete the path of incident ray in the following case.
Light that hits a mirror gets ______.
The moon ______ sun light.
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
