An endoscope is a fiber-optic medical instrument that emits light. doctors can insert endoscopes into hollow body parts. which property of fiber-optic strands makes them most useful in endoscopes?

a.)they can create virtual images.
b.)they are decorative and colorful.
c.)they can transmit data quickly.
d.)they are small and flexible.

The correct option is D.

Explanation:

The fiber-optic strands are flexible. These are transparent fiber. These are made up of silica. The fiber optic is used in imaging optics. The optical fiber strands are narrow tubes of glass fiber. These are coated with plastic. These carry light from one end to other. The light bounces off the walls of fiber.

An Endoscope is used for the surgical procedure. It is used for inspecting anything hard to reach.

Therefore, the fiber optic strands are small and flexible. These properties of the fiber optic which make it able to use in an endoscopy.