IGCSE A Level Physics MCQs - Chapter 7
Communication Systems Multiple Choice Questions (MCQs) PDF Download - 1
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The Multiple Choice Question (MCQ Quiz): As compared to sound waves the frequency of radio waves is; "Communication Systems" App Download (Free) with answers higher, lower, equal and may be higher or lower to study online courses. Solve radio waves quiz questions, download Google eBook (Free Sample) for completely online college.
Communication Systems Questions & Answers PDF Download: MCQ Quiz 1
MCQ 1: As compared to sound waves the frequency of radio waves is
- lower
- higher
- equal
- may be higher or lower
MCQ 2: Decrease in strength of signal is known as
- tuning
- modulation
- attenuation
- amplification
MCQ 3: If frequency of modulated wave is less than frequency of carrier wave, then input signal is
- negative
- positive
- zero
- infinite
MCQ 4: At the end of communication system, the signal is converted from radio to
- sound
- mechanical energy
- kinetic energy
- potential energy
MCQ 5: Energy is lost in wires due to
- heating
- resistance
- conduction
- both A and B
IGCSE A Level Physics Mock Tests
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