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a nearsighted man cannot see objects clearly that are beyond 50 cm from a size determine the focal length and power of the glasses that will enable him to see distant objects clearly
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Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Which atomic model was proposed as a result of j. j. thomson’s work?
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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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a nearsighted man cannot see objects clearly that are beyond 50 cm from a size determine the focal l...
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