what do you mean by concave lens
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concave lenses are used to correct the hypermetropia
these are thicker at ends and slim at middle
hope it will help you
these are thicker at ends and slim at middle
hope it will help you
anamitraroy:
A Concave lens is thick at its periphery and thin in the middle. In other words, a lens which is bent inwards in the middle, is a Concave lens. Such a lens diverges the light rays incident on it, so it is also called the diverging lens.
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concave lens are thin in middle and they broughts the image closer
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