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प्रश्न
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उत्तर
Difference between a ray of light and a beam of light.
| Rav of light | Beam of light |
| 1. Ray of light is the path along which the light travels | Many rays of light form a beam of light |
| 2. A ray of light can be emitted from any source in any direction | A beam of light can be emitted from a Laser source |
| 3. A ray of light contains only one photon | A beam of light contains multiple photons |
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संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror is real
Write true or false of the following statement.
The image of the right hand in a plane mirror looks like that of a left hand.
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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.

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?
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.

The reflection of a ray of light (OA) normally incident on a plane mirror is shown below

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Complete the path of incident ray in the following case.

A point source of light S is placed in front of two large mirrors as shown. Which of the following observers will see only one image of S?

