In a correctly focused refracting telescope, the objective lens and the eyepiece lens are separated by a distance equal to the

Question

Quizplus · Accepted Answer

In a refracting telescope, the objective lens forms an inverted real image of the object at its focal length. This image is then magnified by the eyepiece lens, which acts as a magnifying glass. For this magnification to be effective, the eyepiece lens should be placed at a distance equal to its own focal length from the image formed by the objective lens. Hence, the total distance between the two lenses should be equal to the sum of their focal lengths. So, the correct answer is C.

In a Correctly Focused Refracting Telescope, the Objective Lens and the Eyepiece