Physics, asked by viswesvaran, 6 months ago

Write the ray diagrams indicating the image formations of convex and concave mirrors and lenses and also explain the power of a lens.

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Answered by Anonymous

Answer:

Power of a lens

If a lens has a shorter focal length it is said to be more powerful. The power of a lens is defined as the reciprocal of the focal length. Lens power is measured in dioptres (D).

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