what are cartesion sigh conventions used in spherical mirror?
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THE OBJECT DISTANCE IS ALWAYS TAKEN AS NEGATIVE
THE FOCAL LENGTH IS TAKEN AS POSITIVE FOR CONVEX LENS AND NEGATIVE FOR CONCAVE LENS
THE IMAGE DISTANCE IS TAKEN AS POSITIVE FOR THEIR FORMATION ON THE RIGHT SIDE OF THE LENS WHEREAS IT IS TAKEN AS NEGATIVE FOR THE FORMATION ON THE LEFT SIDE OF THE LENS.
IF THE MAGNIFICATION IS POSITIVE , THEN THE IMAGE IS VIRTUAL
IF THE MAGNIFICATION IS NEGATIVE , THEN THE IMAGE IS REAL
THE FOCAL LENGTH IS TAKEN AS POSITIVE FOR CONVEX LENS AND NEGATIVE FOR CONCAVE LENS
THE IMAGE DISTANCE IS TAKEN AS POSITIVE FOR THEIR FORMATION ON THE RIGHT SIDE OF THE LENS WHEREAS IT IS TAKEN AS NEGATIVE FOR THE FORMATION ON THE LEFT SIDE OF THE LENS.
IF THE MAGNIFICATION IS POSITIVE , THEN THE IMAGE IS VIRTUAL
IF THE MAGNIFICATION IS NEGATIVE , THEN THE IMAGE IS REAL
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