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Questions
Explain the importance of satellite communication in India
Discuss the importance of the following in the present day life:
Satellites
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Solution
Importance of satellite communication:
- Communication through satellites emerged as a new era in the system of communication in our country.
- The use of satellites in getting a continuous and synoptic view of the larger areas has made this communication system very vital for the country.
- Satellite images are used for weather forecasting.
- Monitoring of natural calamities.
- Surveillance of border areas.
- India’s Indian National Satellite System (INSAT) and Remote Sensing Satellite System (IRS) support multipurpose functions like telecommunication, meteorological observation, and remote sensing for agriculture, disaster management, and environmental monitoring.
- They are used for relaying signals to television, telephone, radio, and mobile phone.
- They are also useful in weather detection, internet, and military applications.
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| ‘A’ Group | ‘B’ Group | ||
| a. | Trans-Amazonian | i. | Tourist Place Highway |
| b. | Road Transport | ii. | Railway Station in India |
| c. | Rio de Janeiro | iii. | Golden Quadrilateral |
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| 40° W. Meridian |
Write a short note.
Communication in India
The National Remote sensing Centre(NRSC) is located at ______.
Postal service and telegraph are some of the ______ communication.
Since 1957 All India Radio came to be called ______.
Answer in a paragraph:
What are the means of transportation and communication called the lifelines of a nation and its economy?
What are the advantages of a communication network?
Which longitude in India is considered as Indian Standard Time?
Study the map given in figure and answer the following questions.
 |
- Calculate the difference between the two longitudinal extremes of mainland India. Is it more than Brazil?
- Which longitude in India is called the Indian Standard Time (IST)?
- What is the difference between this time and the GMT?
- How many local times are there in India?
