Q1359
The magnifying power of an astronomical telescope can be decreased by
A.
Decreasing the focal length of the eyepiece
B.
Increasing the focal length of the eyepiece
AnswerC.
Increasing the focal length of the objective
D.
None of these
Answer: Option B
Solution
Answer: Option B
Solution:
Increasing the focal length of objective increases the magnifying power of the telescope. Increasing the focal length of the eye-piece decrease the magnifying power of telescope.