Here are 10 one-word answer type questions on What are Longitudes?, along with their answers and explanations:
1. What are the imaginary lines that run from the North Pole to the South Pole called?
Answer: Longitudes
Explanation: Longitudes are imaginary vertical lines that run from the North Pole to the South Pole and help determine time and location .
2. What is the longitude that divides the Earth into Eastern and Western Hemispheres?
Answer: Prime Meridian
Explanation: The Prime Meridian (0° longitude) runs through Greenwich, England, and serves as the reference for measuring longitudes .
3. How many longitudes are there in total?
Answer: 360
Explanation: The Earth has 360 longitudes, with 180 in the Eastern Hemisphere and 180 in the Western Hemisphere .
4. Which unit is used to measure longitudes?
Answer: Degrees
Explanation: Degrees (°) are used to measure the position of longitudes east or west of the Prime Meridian .
5. How many degrees of longitude correspond to a one-hour time difference?
Answer: 15
Explanation: Since Earth rotates 360° in 24 hours, each 15° of longitude equals one hour of time difference .
6. Which longitude is exactly opposite to the Prime Meridian?
Answer: International Date Line
Explanation: The International Date Line (IDL) is located at 180° longitude and marks the point where the date changes when crossed .
7. Which longitude is used as the reference for world time?
Answer: Greenwich Mean Time (GMT)
Explanation: GMT is based on the Prime Meridian (0° longitude) and serves as the standard reference for world time zones .
8. What is the longitudinal range of the Eastern Hemisphere?
Answer: 0° to 180°E
Explanation: The Eastern Hemisphere includes all longitudes from 0° (Prime Meridian) to 180° East .
9. What is the longitudinal range of the Western Hemisphere?
Answer: 0° to 180°W
Explanation: The Western Hemisphere includes all longitudes from 0° (Prime Meridian) to 180° West .
10. Which imaginary line helps determine local time and standard time?
Answer: Meridian
Explanation: Each meridian or longitude is used to calculate time zones and determine local time differences across the world .
These questions cover key aspects of longitudes, their significance, and their role in timekeeping and geography.
