A) The sum of the focal lengths of the objective and the eyepiece
B) The difference of the focal lengths of the two lenses
C) The ratio of the focal length of the objective and eyepiece
D) The ratio of the focal length of the eyepiece and objective
Correct Answer: C
Solution :
In case of a telescope if object and final image are at infinity then \[m=\frac{{{f}_{o}}}{{{f}_{e}}}\]You need to login to perform this action.
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