Published by:
CGP EDU Academic Team
Published on: September 13, 2026
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be:
Text Solution
Verified by ExpertsThe correct answer is:
A
So 
f 0 = 20 cm
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