The terrestrial telescope has one extra lens more than th...
The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is for
improving the sharpness
creating an inverted image
magnification of the image
erection of the image
Correct answer is D
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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