Vision Problems: The near point of a farsighted person is 100 cm. She places reading glasses very close to her eyes, and with them she can comfortably read a book at a distance of 25 cm. What is the power of the lenses in her reading glasses?
A. +2.5 diopters
B. +3.0 diopters
C. +3.2 diopters
D. -2.0 diopters
Answer: B
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From shortest to longest wavelength, which of the following correctly orders the different categories of electromagnetic radiation?
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