Why don't we have a 'Simple' Telescope?

We do have simple telescopes.

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We would need a convex lens of huuugeeeee focal length!

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All this is not in syllabus, i don't care.

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Solution

The correct option is B 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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