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

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