For an inverted image, the height is taken as

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zero

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positive

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negative

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Solution

The correct option is D negative
By the Cartesian sign convention, the height of the image is positive, if the image is formed above the principle axis, and is negative if it is formed below the axis. An inverted image implies that it is formed below the principal axis, hence its height is always considered negative.

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OA is an object with height $4 c m$ and O'A' is the image of the object. Find the image height and nature of the image formed.

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