Question
Physics Question on Ray optics and optical instruments
A signal of 100 THz frequency can be transmitted with maximum efficiency by :
A
Coaxial cable
B
Optical fibre
C
Twisted pair of copper wires
D
Water
Answer
Optical fibre
Explanation
Solution
Optical fibers supports electromagnetic wave frequencies ranging from 1014 Hz to 1015 Hz.
So, the correct option is (B): Optical fibre.