All of the following statements are correct except - Vidyadip

MCQ

All of the following statements are correct except

A
The total length of an astronomical telescope is the sum of the focal lengths of its two lenses
✓
The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C
The magnification of an astronomical telescope can be increased by decreasing the focal length of the eye-piece
D
The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye-piece

✓

Answer

Correct option: B.

The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent

b
(b) Final image formed by astronomical telescope is inverted not erect.

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