The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is for?

By: |Published on: Nov 15|Categories: Physics JAMB| 0 comments

A. improving the sharpness
B. creating an inverted image
C. magnification of the image
D. erection of the image

Correct Answer:

Option D – erection of the image

Explanation

The extra lens in the terrestrial telescope mounted at the middle between the objective lens and the eyepiece is to re-invert the image so that it is upright.

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