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An observer with normal eyes views an object wi... - JAMB Physics 2008 Question

An observer with normal eyes views an object with magnifying glass of focal length 5 cm. the angular magnification is?


[least distance of distinct vision D = 25 cm]
A
-6
B
-5
C
5
D
6
correct option: a

Angular magnification, M = ((D)/F + 1) where D is least distance of distinct vision

∴ M = ((25)/5 + 1) = -6

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