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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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