alleryMagnification m for a spherical mirror is given by:
Am = v+u
Bm = -u/v
Cm = v×u
Dm = -v/u
Answer & Solution
Correct answer: D. m = -v/u
1. Magnification is the ratio of image height to object height.
2. Using the geometry of the mirror, this ratio equals -v/u.
3. A negative m indicates a real, inverted image.
_Source: syllabus Science, Ch 9 "Light Reflection and Refraction", §9.2.4_
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