Thin Lenses: How far from a lens having a focal length of +50 mm must the object be placed if it is to form a virtual image that is 3.0 times the size of the object?

A. 33 mm
B. 42 mm
C. 48 mm
D. 54 mm


Answer: A

Physics & Space Science

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The dedicated third wire on a 3-prong plug is connected to

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