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Longitudes Video Lecture | Social Studies (SST) Class 6

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FAQs on Longitudes Video Lecture - Social Studies (SST) Class 6

1. What is the meaning of longitudes?
Ans. Longitudes are imaginary lines that run vertically from north to south on the Earth's surface, helping to determine a specific location's east-west position.
2. How are longitudes different from latitudes?
Ans. Longitudes and latitudes are both imaginary lines used to locate positions on the Earth's surface. While longitudes run vertically from north to south, latitudes run horizontally from east to west.
3. How are longitudes measured?
Ans. Longitudes are measured in degrees, with the Prime Meridian serving as the reference point at 0 degrees longitude. The International Date Line is another significant longitude at 180 degrees.
4. What is the significance of longitudes in navigation?
Ans. Longitudes play a crucial role in navigation as they help determine a ship or aircraft's exact position in terms of east-west coordinates. By using longitudes, navigators can calculate accurate routes and avoid getting lost at sea or in the air.
5. How do longitudes affect time zones?
Ans. Longitudes are directly related to the establishment of time zones. Each 15 degrees of longitude represents a time zone, with the Prime Meridian (0 degrees) serving as the reference for Greenwich Mean Time (GMT). As one travels east or west across longitudes, the local time changes accordingly, typically by one hour per time zone.
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