The terrestrial telescope has one extra lens more than the astronomical telescop...
Question
The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is forOptions
A) improving the sharpness
B) creating an inverted image
C) magnification of the image
D) erection of the image
Related Lesson: Image Formation by Lenses | Geometric Optics
The correct answer is D.
Explanation:
The extra lens in the terrestrial telescope mounted at the middle between the objective lens and the eye piece is to re-invert the image so that it is upright.
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The extra lens in the terrestrial telescope mounted at the middle between the objective lens and the eye piece is to re-invert the image so that it is upright.