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A lens for a 35mm- camera has a focal length given by = 51mm
a. What is the magnification of the image on the film?
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A clock is set against an accurate standard and 30 days later is found to be in error by 12 seconds. What is the percentage of error in its time keeping?
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Question: A standard 100 W (120 V) lightbulb contains a 9.00cm -long tungsten filament. The high-temperature resistivity of tungsten is 9.0 x 10^- 7 Ωm. What is the diameter of the filament? Express your answer with the ...
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