Q. The astronomical telescope consists of objective and eye-piece. The focal length of the objective is
A) Equal to that of the eye-piece
B) Greater than that of the eye-piece
C) Shorter than that of the eye-piece
D) Five times shorter than that of the eye-piece
Explanation
(b) $f_{o} > f_{e}$ for telescope
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.