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JEE Main 25 June 2022 Shift 1 Solved Paper
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© examsnet.com
Question : 48
Total: 90
A signal of
100
THz
frequency can be transmitted with maximum efficiency by :
[25-Jun-2022-Shift-1]
Coaxial cable
Optical fibre
Twisted pair of copper wires
Water
Validate
Solution:
Optical fibres supports frequency of electromagnetic waves in the range
10
14
Hz
to
10
15
Hz
.
© examsnet.com
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