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UPSC Exam  >  UPSC Tests  >  Test: Space Technology - 5 - UPSC MCQ

Test: Space Technology - 5 - UPSC MCQ


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10 Questions MCQ Test - Test: Space Technology - 5

Test: Space Technology - 5 for UPSC 2024 is part of UPSC preparation. The Test: Space Technology - 5 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Space Technology - 5 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Space Technology - 5 below.
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Test: Space Technology - 5 - Question 1
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What is the primary application of X-band satellite frequency?

Detailed Solution for Test: Space Technology - 5 - Question 1
X-band satellite frequency is primarily used by the military for radar applications, including continuous-wave, pulsed, single-polarization, dual-polarization, synthetic aperture radar, and phased arrays. It is also used in civil, military, and government institutions for various purposes such as weather monitoring, air traffic control, maritime vessel traffic control, defense tracking, and vehicle speed detection for law enforcement.
Test: Space Technology - 5 - Question 2
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What is the frequency range of the Ka-band for satellite communication?

Detailed Solution for Test: Space Technology - 5 - Question 2
The Ka-band for satellite communication operates in the frequency range of 26–40 GHz. It is used for close-up, high-resolution applications and is commonly employed for communications satellites.
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Test: Space Technology - 5 - Question 3
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Which satellite frequency band is known for being less susceptible to rain fade?

Detailed Solution for Test: Space Technology - 5 - Question 3
The C-band is known for being less susceptible to rain fade compared to other frequency bands, such as the Ku-band. This makes it a suitable choice for satellite communications in areas prone to tropical rainfall.
Test: Space Technology - 5 - Question 4
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In which frequency band was India's GSAT-6 satellite launched for strategic military purposes and societal uses?
Detailed Solution for Test: Space Technology - 5 - Question 4
India launched its GSAT-6 satellite in the S-band to enable multimedia applications for strategic military purposes and societal uses in case of emergencies.
Test: Space Technology - 5 - Question 5
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Which satellite frequency band is used by Global Positioning System (GPS) carriers?
Detailed Solution for Test: Space Technology - 5 - Question 5
Global Positioning System (GPS) carriers primarily use the L-band (1–2 GHz) for satellite communication. This frequency band is suitable for satellite mobile phones and GPS services.
Test: Space Technology - 5 - Question 6
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What is the primary application of Ku-band satellite frequency in Europe?
Detailed Solution for Test: Space Technology - 5 - Question 6
In Europe, the Ku-band downlink is primarily used for direct broadcast satellite services, such as Astra. This frequency band is commonly associated with satellite television services.
Test: Space Technology - 5 - Question 7
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What is the purpose of the Indian Space Research Organisation's (ISRO) Chandrayaan mission?
Detailed Solution for Test: Space Technology - 5 - Question 7
ISRO's Chandrayaan mission is an unmanned scientific mission to the moon. It aims to study the moon's surface and gather scientific data.
Test: Space Technology - 5 - Question 8
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What was the first satellite launched by ISRO for meteorological purposes?
Detailed Solution for Test: Space Technology - 5 - Question 8
The first satellite launched by ISRO for meteorological purposes was METSAT, which was later named 'Kalpana.' It provided meteorological data and was a precursor to the INSAT systems.
Test: Space Technology - 5 - Question 9
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Which satellite frequency band is primarily used for telemedicine applications?
Detailed Solution for Test: Space Technology - 5 - Question 9
Telemedicine applications often use the S-band (2–4 GHz) for satellite communication, allowing remote areas to access specialized medical facilities.
Test: Space Technology - 5 - Question 10
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What is the primary application of the X-band radar frequency sub-bands in civil, military, and government institutions?
Detailed Solution for Test: Space Technology - 5 - Question 10
X-band radar frequency sub-bands are primarily used in civil, military, and government institutions for applications such as air traffic control, weather monitoring, maritime vessel traffic control, defense tracking, and more.
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