JEE Main 25 June 2022 Shift 1 Solved Paper

Section: Physics

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Question : 48 of 90

Marks: +1, -0

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

[25-Jun-2022-Shift-1]

Coaxial cable
Optical fibre
Twisted pair of copper wires
Water

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