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Question
Physics
The magnifying power of an astronomical telescope can be increased if we
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Q. The magnifying power of an astronomical telescope can be increased if we
A
increase the focal length of the objective
32%
B
increase the focal length of the eye-piece
37%
C
decrease the focal length of the objective
15%
D
decrease the focal length of the objective and at the same time increase the focal length of the eye piece
17%
Solution:
Correct answer is (a) increase the focal length of the objective