Convex lens is used as a magnifying glass.why?
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convex lenses have the ability to focus the light rays ,due to this the light rays coming from an object seems to be magnified.for example:telescopes, microscope,etc
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magnifying glass is a convex lens of short focal length mounted in a glass holder. The object is placed at such distance from a lens that is image is formed at the least distance of distinct vision.
*uses of magnifying glass (convex lens).
(I) it is used to read and see small letters.
(II) it is used by watchmaker's to see small screw or parts of watch.
I hope above -mentioned answer help you
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