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A converging lens of focal length 15cm forms a ... - WAEC Physics 2002 Question

A converging lens of focal length 15cm forms a virtual image at a point 10cm from the lens. Calculate the distance of the object from the lens
A
10.00cm
B
6.00cm
C
5.00cm
D
1.50cm
correct option: b

(\frac{1}{u} + \frac{1}{v} = \frac{1}{f} = \frac{1}{15} + \frac{1}{10})

u = 6.00

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