Multiple choice

The image of a distant object as seen through an astronomical telescope is

  1. erect

  2. inverted

  3. perverted

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Simple astronomical telescopes produce inverted images because the objective lens forms a real inverted image, and the eyepiece doesn't correct this orientation. This is why terrestrial telescopes require erecting lenses or prisms to show upright images.

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