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What are similarities and differences of reflection, refraction, diffraction and absorption?
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Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
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If circuit A has twice the resistance of circuit B. The voltage is the same in each circuit. which c...
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