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Question

Why don't we have a 'Simple' Telescope?
  1. We would need a convex lens of huuugeeeee focal length!
  2. All this is not in syllabus, i don't care.
  3. We do have simple telescopes.


Solution

The correct option is A We would need a convex lens of huuugeeeee focal length!
Think for 30 s. What would a simple telescope be? Just one convex lens. Think what property should it have to form a magnified image. Watch the next video for the explanation.

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