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Statement 1: Microwaves and not radiowav...

Statement 1: Microwaves and not radiowaves are used in satellite communication
Statement 2: The wavelength of microwaves is much shorter then that of radiowaves Hence microwaves do not disperse or diffract like radiowaves.

A

Both Statement-1 and Statement-2 are true, and Statement-2 is the correct explanation of Statement-1.

B

Both Statement-1 and Statement-2 are true but Statement -2 is not the correct explanation of Statement-1

C

Statement-1 is true but Statement-2 is false.

D

Statement-1 is false but Statement-2 is true.

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The correct Answer is:
A
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BANSAL-MASTER PRACTICE PROBLEM-Additional topic
  1. Modulation factor determines-

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  2. if the maximum and minimum voltage of AM wave are V(max) and V(min), r...

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  3. The AM wave contans three frequencies viz:

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  4. Which of the following is/are the limitations of amplitude modulation?

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  5. The frequency above which radiation of electrical energy is practical ...

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  6. For a carrier frequency of 100 kHz and a modulating frequency of 5kHz ...

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  7. In which of the region of earth's atmosphere temperature decreases wit...

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  8. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

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  9. The T.V. transmission tower in Delhi has a height of 240 m. The distan...

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  10. Range of frequencies allotted for commercial FM radio broadcast is

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  11. For a carrier frequency of 100 kHz and a modulating frequency of 5kHz ...

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  12. Statement-1 surface wave and sky wave can not be observed on moon. S...

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  13. Statement 1: In ground wave transmission the radio signals die out aft...

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  14. Statement 1: Ground wave communication is effective only at low freque...

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  15. Statement 1: The refractive index of the ionosphere increases as we go...

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  16. Statement 1: Sky wave communication is not suitable for frequencies gr...

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  17. Statement 1: Microwaves and not radiowaves are used in satellite commu...

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  18. Statement 1: Long distance radio broadcasts use short wave bands. St...

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  19. Statement 1: Sky wave communication is not used to transmit TV signals...

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  20. The question has statement - 1 and statement - 2 Of the four choices ...

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