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    College Physics
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    Exam 24: Optical Instruments
  5. Question
    A Lens Has a Refractive Power of -1
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A Lens Has a Refractive Power of -1

Question 17

Question 17

Multiple Choice

A lens has a refractive power of -1.50.What is its focal length?


A) 150 cm
B) -150 cm
C) 67.0 cm
D) -67.0 cm
E) 8.50 cm

Correct Answer:

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