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Using the data given below, state which ...

Using the data given below, state which two of the given lenses will you prefer to construct a best possible (i) telescope (ii) microscope. Also, indicate which of the selected lenses is to be used as an objective and as an eye piece in each case
Lenses,`L_1, L_2,L_3`
Power(P), 6 D,3 D, 10 D
Aperture (A), 1 cm, 8 cm, 1 cm.

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