When an object is placed at a distance of 50 cm from a concave spherical mirror the magnification produced is minus one upon two where should be the object be placed to get a magnification of minus one upon 5?
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Magnification = image distance / object distance
The magnification in this case = - 0.5
Object distance = 50cm
-0.5 = i / 50
i = 50 × 0.5 = 25cm
To produce a magnification of - 1/5 = 0.2
Given the image distance = 25
25/o = 0.2
Where O = is the object distance
25 = 0.2O
O = 25/0.2
O = 125cm
Answer 125 cm
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Answer is -100cm
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