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The range of frequencies allotted for commercial FM radio broadcast is

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Important Questions on Communication Systems

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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 16
Sound produced by a tuning fork is a sort of
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 17
An antenna is of height 500 m. What will be its range (Radius of earth is 6400 km)?
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 18
In amplitude modulated waves, the maximum amplitude is 30 mV and the minimum is 5 mV, then find out the modulating index.
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 19
The voltage of modulating wave of 5 V with 10 MHz frequency it was superimposed on the carrier wave of frequency 20 MHz and 20 V, then the modulation index:
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 20
Find the area covered by a transmitting antenna of height 50 m:
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 22
If modulation index is 12 and power of carrier wave is 2 units, then what will be the total power of side-band:-
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 23
Long-distance communication between two points on the earth is achieved by,
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Beta Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise (Conceptual Questions)>Q 24
In skywave communication which of the frequency will be reflected back by the ionospheric layer having electron density 4×106 m-3?