An object is 0.09 m from a magnifying lens and the image is formed 36 cm from the lens. The magnification produced is:
(a) 0.4
(b) 1.4
(c) 4.0
(d) 4.5
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Solution
4.0
Magnification is given by:
Magnification (m) =`"distance of image from the lens "/distance of object from the lens`
m `(-36 cm) /(-0.09 m) =(36 cm)/(9cm)` =4
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