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Through which mode of propagation, the r...

Through which mode of propagation, the radio waves can be sent from one place to another

A

Ground wave propagation

B

Sky wave propagation

C

Space wave propagation

D

All of these

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-COMMUNICATION SYSTEMS-Evaluation Test
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  2. The critcal frequency for sky wave propagation if maximum number dens...

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  3. Frequencies higher than 5 MHz are found not to be reflected by the io...

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  4. A TV tower has a height of 150m. By how much the height of tower be in...

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  5. How much time is taken by an information to pass from one place to ano...

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  6. Amplitude modulation is useful for broadcasting in communication syste...

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  7. Assertion : Communication in UHF/ VHF regions can be established by sp...

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  8. In satellite communication 1. The frequency used lies between 5 MHz ...

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  9. Assertion : A dish antenna is highly directional . Reason : This i...

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  10. Assertion : Modulation index is the degree to which the carrier wave i...

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  11. In an amplitude modulated wave for audio frequency of 400 cycles/secon...

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  12. The minimum voltage in an amplitude modulated wave is 3 V and maximum ...

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  13. A 3000 kHz carrier is modulated with 500 Hz audio signals. The frequ...

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  14. A sinusoidal carrier wave of frequency 1 MHz and amplitude 100 V is am...

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  15. The total population covered by the T . V . Tower of height 200 m, if...

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  16. The number of AM broadcast stations that can be accommodated in a band...

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