alleryA reflecting telescope of the folded design is named after:
ACopernicus
BCavendish
CCoulomb
DCassegrain
Answer & Solution
Correct answer: D. Cassegrain
1. A reflecting design focuses light inside the tube.
2. One arrangement solves that by folding the path.
3. It is the Cassegrain telescope, after its inventor.
_Source: syllabus Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
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