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An endoscopic process is based on the principle of 

  • a)
    refraction of light

  • b)
    reflection of light

  • c)
    total internal reflection of light

  • d)
    dispersion of light

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
An endoscopic process is based on the principle ofa)refraction of ligh...
Correct Answer:C


An upper endoscopy is a procedure used to visually examine your upper digestive system with a tiny camera on the end of a long, flexible tube.


Basically, a typical endoscope uses fiber optics, which allow for effective transmitting of light. The optical fiber allows for light to travel through curved paths, which makes one of the best systems to view spaces that would normally be difficult to reach. Here, total internal reflection makes it possible for light to travel along the fibers with the light rays hitting the fiber walls at an angle (minimum angle of 82 degree).
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An endoscopic process is based on the principle ofa)refraction of lightb)reflection of lightc)total internal reflection of lightd)dispersion of lightCorrect answer is option 'C'. Can you explain this answer?
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