alleryStart learning →As per your syllabus, what is the MIRROR FORMULA — relating object distance (u), image distance (v), and focal length (f)?
A1/v + 1/u = 1/f
B1/v × 1/u = 1/f
Cv + u = f
D1/v − 1/u = 1/f (this is the lens formula)
Answer & Solution
Correct answer: A. 1/v + 1/u = 1/f
As per your syllabus, Eq 9.1, mirror formula = 1/v + 1/u = 1/f.
The lens formula is 1/v − 1/u = 1/f (different sign).
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