A Galilean telescope has objective and eye`-` piece of focal lengths `200 cm` and `2cm` respectively. The magnifying power of the telescope for normal vision is

Options

A. 90
B. 100
C. 108
D. 198

Answer

B

Explanation

For normal vision (relaxed eye), the image if formed at inifinity.Hence the magnifyinig power of Galilean telescope`=(f_(o))/(f_(e))=(200)/(2)=100.`