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Through which mode of propagation the ra...

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 them

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The correct Answer is:
D
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RESONANCE ENGLISH-COMMUNICATION SYSTEMS-Exercise 2
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  2. the attenution in optical fibre is mainly due to

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  3. The maximum distance upto which TV transmission from a TV tower of hei...

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  4. AM is used for broadcasting because

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  5. Range of frequencies alotted for commerical FM radio broad cast is

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  6. A sept index fibre has a relavitive refractive index of 0.88%. What is...

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  7. In which frequency range space waves are normally propagated

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  8. If mu and mu(2) are the refractive indices of the materials of core an...

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  9. Through which mode of propagation the radio waves can be sent from one...

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  10. For VHF television broadcasting, the frequency employed is generally

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  11. The radio waves of frequency 30 MHz to 300 MHz belong to

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  12. An antenna behaves as resonant circuit only when its length is

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  13. The electromagnetic waves of frequency 80 MHz to 200 MHz

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  14. An oscillator is producing FM waves of requency 2kHz with a variation ...

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  15. The phenomenon used in optical fibres for transitions of light energy ...

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  16. Television signal on earth cannot be recevied at distances greater th...

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  17. Advantage of optical fibre

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  18. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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  19. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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  20. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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