A refracting telescope has an angular magnification of
A refracting telescope has an angular magnification of -90.00. The length of the barrel is 1.800 m. What are the focal lengths of (a) the objective and (b) the eyepiece?
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a platinum ring has a mass of 426 g it is lowered into a graduated cynlinder that is full to 5000 ml mark with water
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a refracting telescope has an angular magnification of -9000 the length of the barrel is 1800 m what are the focal
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in the figure water stands at depth d 350 m behind the vertical upstream face of a dam of width w 315 m discover the
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