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An Electromagnetic Wave Has
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The Speed Of Electromagnetic Waves In Vacuum Depends Upon The Source Of Radiation. It
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During The Propagation Of Electromagnetic Waves In A Medium,
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Solar Radiation Is
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Which Of The Following Shows Greenhouse Effect?
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Laser Beams Are Used To Measure Long Distances Because
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A Laser Beam Is Used For Carrying Out Surgery Because It
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Choose The Correct Statement
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The Attenuation In Optical Fiber Is Mainly Due To
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Maximum Usable Frequency (MUF) In F - Region Layer Is
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An Antenna Behaves As Resonant Circuit Only When Its Length Is
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For Television Broadcasting, The Frequency Employed Is Normally
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In Which Frequency Range, Space Waves Are Normally Propagated
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The Characteristic Impedance Of A Coaxial Cable Is Of The Order Of
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A Step Index Fiber Has A Relative Refractive Index Of 0.88%. What Is The Critical Angle At The Corecladding Interface
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The Process Of Regaining Of Information From Carrier Wave At The Receiver Is Termed As
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The Wave That Are Bent Down By The Ionosphere Are
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An Example Of Point To Point Mode Of Communication Is
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Amplitude Modulation Has
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AM Is Used For Broadcasting Because
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A Signal Of 5 KHz Frequency Is Amplitude Modulated On A Carrier Wave Of Frequency 2 MHz. The Frequencies Of The Resultant Signal Is/are
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