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    College Physics Study Set 2
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    Exam 25: Optical Instruments
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    Quadrupling the F-Number of a Camera Lens Will Change the Light
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Quadrupling the F-Number of a Camera Lens Will Change the Light

Question 74

Question 74

Multiple Choice

Quadrupling the f-number of a camera lens will change the light intensity admitted to the film by what factor?


A) 1/16
B) 1/4
C) 4
D) 16
E) ​3

Correct Answer:

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