When an astronomical telescope is in normal adjustment, the focal length of the objective lens is 50cm and that of the eyepiece is 2.50m. What is the distance between the lenses?

By: |Published on: Aug 31|Categories: Physics WAEC| 0 comments

A. 20.0cm
B. 47.5cm
C. 50.0cm
D. 52.5cm
E. 125.0cm.

Correct Answer: Option D

Explanation

Distance between lens = f0 + fe = 52.5cm

Users Also Read These:

SEE ALSO  Heat transfer by conduction is similar to wave motion because?

Copyright warnings! Do not copy.