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[" 10.An astronomical telescope has obje...

[" 10.An astronomical telescope has objective and eyepiece "],[" of focal lengths "40cm" and "4cm" respectively.To view an "],[" object "200cm" away from the objective,the lenses must be "],[" separated by a distance "],[[" (a) "50.0cm" (b) "54.0cm," (c) "37.3cm" (d) "46.0cm]]

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