Define lateral magnification for mirrors. Using cartesian sign convention, derive its relation with image distance and object distance.
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State the expression for lateral magniification of a concave in the terms of object distance as well as the image distance even the magnification can be understood in such a way that a negative sign (of m) indicates inverted image and vice-versa.
Magnification can be understood in such a way that a negative sign (of m) indicates inverted image.
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The lead is defined as the axial distance (parallel to the screw's axis) the screw travels in one complete revolution (360°) of the shaft. The lead determines the mechanical advantage of the screw; the smaller the lead, the higher the mechanical advantage
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