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It is necessary ton use satellites for l...

It is necessary ton use satellites for long distance TV transmission. Explain why?

A

Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'.

C

A' is true abd 'R' false

D

A' is false and 'R' is false

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-COMMUNICATION SYSTEMS -Exercise - IB (Assertion (A) & Reason (R) Type Questions)
  1. (A) : Sometimes HF waves can also pass through ionosphere. (R) : T...

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  2. (A) : The area to be covered for T.V. telecast is doubled, then the h...

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  3. It is necessary ton use satellites for long distance TV transmission. ...

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  4. This question has Statement-1 and Statement-2. Of the four choices giv...

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  5. (A) : Greater is the height of T.V. transmitting antenna, greater is i...

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  6. Assertion: Short wave hands are used for transmission of radio wave to...

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  7. (A) : The sky waves are not used in the transmission of television sig...

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  8. A long solenoid having n = 200 turns per metre has a circular cross-se...

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  9. This question has Statement-1 and Statement-2. Of the four choices giv...

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  10. Assertion(A): Na^(o+) ions are discharged in preference to H^(o+) ions...

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  11. (A) : Optical communication is preferred to microwave communication ...

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  12. Statement-I : The surface wave propagation is used for medium wave ban...

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  13. Statement-I : The television broadcasting becomes weaker with increasi...

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  14. (A) : For long distance transmission of radio waves, short wave bands ...

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  15. (A) : Propagation of electromagnetic waves as microwaves is better tha...

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  16. (A) : The lectromagnetic waves of shorter wavelengths can travel long...

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  17. (A) : In case of frequency modulation, the frequency of the RF carrier...

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  18. (A) : Digital signals are preferred to analog signals for transmission...

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  19. (A) : A portable AM radio set must be kept horizontal to receive the s...

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  20. Assertion: Telephony is an example of point-to-point communication mod...

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