An object is located in a fixed position in front of a screen. Sharp image is obtained on the screen for two positions of a thin lens separated by 10cm. The sizes of the image in the two situations are in the ratio 3:2. What is the distance between the screen and the object?
A) 124.5cm
B) 144.5cm
C) 65.0cm
D) 99.0cm
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the distance between the screen and the object is 144.5 cm
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