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an object is placed 40cm from a converging lens of focal length of 10cm. if a real image of 5cm height is formed, calculate the height of the object
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an object is placed 40cm from a converging lens of focal length of 10cm. if a real image of 5cm height is formed, calculate the height of the object

User Kostmo
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1 Answer

5 votes

Answer:

15 cm

Step-by-step explanation:


m = (f)/(s - f) = (i)/(o) \\ (10)/(40 - 10) = (5)/(o) \\ (1)/(3) = (5)/(o) \\ o = 15 \: cm

User Karni
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