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  9. Q63

PPSC PCS 2018 · Question 63 of 97

Which of the following medical procedure uses the principle of total internal reflection?

Science & Tech

  1. AX-ray
  2. BC. T. Scan
  3. CEndoscopyCorrect
  4. DNone of the above

Answer: C. Endoscopy

Explanation

Endoscopy uses optical fibres that guide light by total internal reflection.

Source: https://cdn.mindspritesolutions.com/examrace/SPSC/Punjab-PSC/Punjab-PSC-Past-Papers/Punjab-Civil-Service-2018-Official-Paper-1-Part-1.pdf

← Q62View full paper (97 questions)Q64 →

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