Which of the following is the correct statement regarding an astronomical telescope?
1
The focal length of eyepiece of an astronomical telescope is larger than the focal length of its objective.
2
The aperture of objective lens of telescope is larger than the aperture of the eyepiece.
3
The aperture of objective lens of telescope is smaller than the aperture of the eyepiece.
4
The magnification of an astronomical telescope increases with the decrease in focal length of its objective.