uses of concave and convex lens and magnification.
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Magnification shows the image formed by object in numerical a plane mirror magnification is +1 it means 1 denote the image of object is same as object and + sign show that image is real and inverted ( down )
tahirhabib38:
warna koi bat ni g
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By concave lens we can see the objects which are far. And by convex lens we can see the objects which are near. Hope it will help you
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