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[" 7.A convex lens forms a real and inve...

[" 7.A convex lens forms a real and inverted image of a needle at a distance of "],[50cm" from it.Where is the needle placed in front of the convex lens,if "],[" the image is equal to the size of object.Also find the power of the lens."]

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A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to size of the object ? Also, find the power of the lens.

A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to size of the object ? Also, find the power of the lens.

A convex lens from a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle be placed in front of the convex lens if the image is equal to size of the object? Also, find the power of the lens?