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Q38: A magnifying glass uses a converging lens
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Q41: A dielectric material such as paper is
Q43: When a 4-μF capacitor has a potential
Q45: A ball is attached to an
Q67: An object is placed 9.5 cm in
Q83: What is the minimum thickness of a
Q108: Consider an experiment using a diffraction
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Q128: Light reflects off the surface of Lake