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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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What was the first instrument to ever record an earthquake?
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Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
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As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?
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Use this technique to find a formula for the intensity i of a sound, in terms of the sound level β a...
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