A convex lens forms a real image of a point object placed on its principal axis. If the upper half of the lens is cut |
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(b) |
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(c) |
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(d) |
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A convex lens forms a real image of a point object placed on its principal axis. If the upper half of the lens is cut |
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(a) |
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(b) |
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(c) |
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(d) |
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