Q144 / 180 · AIIMS 2004 · Physics

An endoscope is employed by a physician to view the internal parts of a body organ. It is based on the principle of

  • A
    refraction
  • B
    reflection
  • Correct answer
    C
    total internal reflection
  • D
    dispersion.

Solution

This is made of optical fibres whose interior is coated with a refractive index greater than that of the outer cover, glass.

Hence, the correct answer is option: 'C'.

Relevant Questions