Why does a convex surface produce lower pressure towards wall?
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magnifying glass is a convex lens which produces a magnified image of an object. For a magnified image to be observed the distance between the object and the lens has to be shorter than the focal length of the lens. The image formed is upright, magnified and virtual.
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Explanation:
• This happens because the pressure falls above the paper where the air is ... The upper surface is made convex and the lower surface is made concave.
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