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Per NCERT, what is the magnification (m) formula for a LENS — in terms of v and u?
Am = h'/h = −v/u (this is for a mirror)
Bm = h'/h = v/u
Cm = u/v
Dm = f/u
Answer & Solution
Correct answer: B. m = h'/h = v/u
Per NCERT Eq 9.10, lens magnification m = v/u. Mirror magnification has the minus sign.
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