Inevitable manufacturing imperfections in optical fiber leads to birefringence, which is one cause of pulse broadening in fiber-optic communications. Such imperfections can be geometrical (lack of circular symmetry), due to stress applied to the optical fiber and/or due to bending of the fiber.
Answer:
A
Explanation:
bc inorganic compoud refers to all compound that do not contain carbons.
Answer:
d i dont now but im sure my answer is d im not good to write english word
A vibrating string can create longitudinal waves as depicted in the animation below.
The answer is C) vibrations
