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Question

Difference between convex and concave lenses?


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Solution

Concave LensConvex Lens
  1. The middle of a concave lens is thinner, while the borders are thicker.
1. The middle of a convex lens is thicker than the edges, while the margins are thinner.
2.It is also known as Diverging Lens2. It is also known as the utilized Converging Lens
3. Used in glasses, some telescopes, and door spy holes, among other things. It's also utilised to remedy a problem with short-sightedness.3. Used in cameras, overhead projectors, projector microscopes, basic telescopes, magnifying glasses, and other devices. It can also be used to correct a long-sightedness problem.
4. It has a negative focal length4. It has a positive focal length.
5. The incident rays diverge away from the principal axis.5. The incident rays are converged towards the principal axis.
6. The resulting image is upright, virtual, and of a lower size than the original thing. Regardless of the item's position, the image created is in between the lens and the object.6. When the object is in focus, the image formed is inverted, actual, and smaller than the object. When the object is put at 2F, the picture formed is inverted, actual, and the same size as the thing. When the object is positioned between 2F and F, the image formed is inverted, actual, and larger than the object. When an object is placed in the focus, an image is formed at infinity. When the object is put on the same side of the lens, the image created is vertical, virtual, and larger than the object.

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