You are observing a distant ship with a telescope but you cannot quite read the ship's name. To increase the magnification of the telescope, you replace the eyepiece with one having a
A) larger aperture than before.
B) smaller aperture than before.
C) shorter focal length than before.
D) longer focal length than before.

Question

Quizplus · Accepted Answer

The magnification of a telescope is increased by using an eyepiece with a shorter focal length, as magnification is directly related to the focal length of the objective lens divided by the focal length of the eyepiece.

You Are Observing a Distant Ship with a Telescope but You