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Tuesday, 23 June 2026
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Endoscopes used by doctors contain optical fibres so that:

Endoscopes used by doctors contain optical fibres so that:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Electrical resistance increases
  • B Sound waves can reflect
  • C Colour dispersion can occur
  • D Light and images can travel
Correct Answer: Option D
Explanation:
Optical fibres inside endoscopes carry light into the body and return images back to the doctor. This allows doctors to see inside organs without major surgery.

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