Q. The length of an astronomical telescope for normal vision (relaxed eye) $(f_{o} =$ focal length of objective lens and $f_{e} =$ focal length of eye lens) is
A) $f_{o} \times f_{e}$
B) $\frac{f_{o}}{f_{e}}$
C) $f_{o} + f_{e}$
D) $f_{o} - f_{e}$
Explanation
The correct answer is Option C: $f_{o} + f_{e}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.