Question

The magnifying power of a telescope can be increased by

• A. Increasing focal length of the system
• B. Fitting eye piece of high power
• C. Fitting eye piece of low power
• D. Increasing the distance of objects

Answer 1

Answer: (B)

Fitting eye piece of high power

Answer 2

Magnifying power of telescope is $\frac{f_{o}}{f_{e}},$ so as $\frac{1}{f_{e}}$ increases, magnifying power increases.