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What fraction of the surface area of e...

What fraction of the surface area of earth can be covered to establish communication by one geostationary satellite ?

A

`1/2 `

B

`1/3 `

C

`1/4`

D

`1/8`

Text Solution

Verified by Experts

The correct Answer is:
B
We use three geostationary satellites placed at the vertices of an equilateral triangles , then the entire earth can be covered by the communication network , each satellite covers 1/3 of the globe.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COMMUNICATION SYSTEM-Exercise 1
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  2. In space communcation , the information can be passed from on place ...

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  3. What fraction of the surface area of earth can be covered to estab...

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  4. Beyond which frequency, the ionosphere bends any incident electromagne...

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  5. For sky wave propagation of a 10 MHz signal, what should be the minimu...

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  6. In earth's atmosphere for F(1)-layer , the virutal height and critic...

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  7. Fading is the variation in the strength of a signal at a receiver due ...

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  8. In earth's atmosphere for E- layer , the virtual height and critical ...

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  9. If the TV telecast is to cover a radius of 120 km ( Given , the radiu...

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  10. Space wave propagation is used in (a) microwave communication (b) ...

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  11. Ozone layer above earth's atmosphere will not

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  12. The air of earth's atmosphere responsible for absorbing a large port...

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  13. Match the following column I and Column II

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  14. A radiowave that travels in a straight line from the transmitting ante...

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  15. In process of amplitude modulation of signal to be transmitted . S...

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  16. In amplitude modulation, carrier wave frequencies are:

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  17. In a detector, output circuit consists of R = 10kOmega and C = 100 p F...

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  18. For efficient transmission, transmitting antenna has length comparable...

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  19. A radio transmitter radiates 1 kW power at a wavelength 198.6 m. How m...

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  20. A 100 m long anteena is mounted on a 500 m tall building. The complex ...

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