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A medical endoscope sends light down a flexible tube to let a doctor see inside a hollow organ. What does the word endoscope itself mean?
ALooking inside
BBending light
CMeasuring angles
DSplitting colours
Answer & Solution
Correct answer: A. Looking inside
1. The word endoscope means looking inside.
2. This matches its purpose: sending light down a flexible fiber to let a doctor see inside a hollow organ or cavity.
3. The other options describe optical processes such as refraction or dispersion, not the meaning of the word itself.
_Source: OpenStax Physics (CC BY 4.0), Ch 16 "Mirrors and Lenses", section 16.2 Refraction_
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