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+2 votes
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in Physics by (60.8k points)

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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+1 vote
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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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