1(vi)
An endoscope uses optic fiber to transmit high resolution images of internal organs without loss of information. The principle of light that is used by the optic fiber is based on :
- (a)refraction
- (b)reflection
- (c)scattering
- (d)total internal reflection
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total internal reflection
Reason — Total internal reflection is the principle that allows light to propagate through the core of an optical fiber by continuously reflecting off the inner walls of the fiber due to the angle at which it strikes those walls.