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What is the difference between mirror and lens?
The differences between Mirror and Lens are as follows:
MIRROR | LENS |
1. It is a shiny piece of glass, which is silver polished from the back so that it can produce a clear image by reflection. | 1. It is a transparent piece of glass or plastic, bounded by two surfaces, that produces images by refraction in any surface of the two surfaces. |
2. It can be plane or spherical (concave & convex). | 2. It is usually curved, from one or both sides. |
3. It follows the laws of reflection. | 3. It follows the laws of refraction.
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4. It can be made from glass or metal. | 4. It can be made from glass or plastic. |
5. Mirror formula is given as: $\frac {1}{v}=\frac {1}{v}+\frac{1}{u}$ | 5. Lens formula is given as: $\frac {1}{v}=\frac {1}{v}-\frac{1}{u}$ |
6. It is used in dressing table, periscope, camera, solar cooker, streetlights, car headlights, rearview mirror in vehicles. | 6. It is used in flashlights, telescopes, microscopes, and as spectacles, glass to correct eye defects called Myopia (short-sightedness) and Hypermetropia (long-sightedness). |