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Thin Lenses: It Is Desired to Project the Image of an Object

Question 69

Multiple Choice

Thin lenses: It is desired to project the image of an object four times its actual size using a lens of focal length 20 cm. How far from the lens should the object be placed?


A) 100 cm
B) 80 cm
C) 4.0 cm
D) 25 cm
E) 5.0 cm

Correct Answer:

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