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An astronomical telescope is to be designed to have a magnifying power of 50 in normal adjustment.

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asked Mar 29, 2018 in Physics by Nisa (2,540 points) ● 1 ● 3

An astronomical telescope is to be designed to have a magnifying power of 50 in normal adjustment. If the length of the tube is 102 cm, find the powers of the objective and the eyepiece.

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answered Mar 29, 2018 by rubby (7,550 points) ● 1 ● 3 ● 5
selected Apr 1, 2018 by Vikash Kumar
 
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For the astronomical telescope in normal adjustment.
Magnifying power = m = 50, length of the tube = L = 102 cm
Let f0 and fe be the focal length of objective and eye piece respectively.

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