In optics, magnification is defined as the ratio of?

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1. In optics, magnification is defined as the ratio of?

The actual object’s size to the observed image’s size

The observed image’s size to the actual object’s size

The actual object’s size minus the observed image’s size

Neither ratio nor difference — magnification has no standard formula

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Magnification equals the observed (image) size divided by the actual object size — a value greater than 1 means the image looks larger than the real object.