Q78 / 90 · JEE Main 2022 (25 Jun Shift 1) · Physics

A signal of $100 THz$ frequency can be transmitted with maximum efficiency by

A
Coaxial cable
Correct answer
B
Optical fibre
C
Twisted pair of copper wires
D
Water

Solution

Fiber optics, or optical fiber, refers to the technology that transmits information as light pulses along a glass or plastic fiber. Fiber optics have high efficiency of data transmission.

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

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A signal of 100THz frequency can be transmitted with maximum efficiency by

Solution

Relevant Questions

A signal of $100 THz$ frequency can be transmitted with maximum efficiency by