Answer the following questions
1.With reference to international date line answer the following.
a) What is the international date line?
b)Under what circumstances will a traveller repeat a day?
2)Mention the important lines of latitude. 3)Differentiate between (at least two) a)parallels of latitude and meridians of longitide.
b)local time and standard time.
c)GMT abd IST
4) Why is the Prime Meridian also known as the Greenwich meridian?
Answers
Answer:
a) The International Date Line serves as the "line of demarcation" between two consecutive calendar dates. ... The International Date Line, established in 1884, passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth.
b) If one crosses the date line at precisely midnight, going westward, one skips an entire day; while going eastward, one repeats the entire day.
Answer:
1.a) The International Date Line serves as the "line of demarcation" between two consecutive calendar dates. ... The International Date Line, established in 1884, passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth.
b) if one crosses the date line at precisely midnight, going westward, one skips an entire day; while going eastward, one repeats the entire day.
2.a) Important lines of latitude:
the equator (0°)
the Tropic of Cancer (23.5° north)
the Tropic of Capricorn (23.5° south)
the Arctic circle (66.5° north)
the Antarctic circle (66.5° south)
the North Pole (90° north)
the South Pole (90° south)
3. a)The parallel circles from the equator to the north and south poles are termed as parallels of latitude. As opposed, the lines of reference, running from the two poles is known as meridians of longitude. The total number of latitude lines are 180. Unlike, there are a total number of 360 longitude lines.
b) Local time indicates the time of a place determined on the basis of apparent movement of the sun. Standard time refers to the fixed time for places falling in the same meridian, set in a country by law. Changes continuously with the change in longitude. ... Places on the same longitude have same local time.
4. The 0° line of longitude starts at the Prime Meridian. It's also called the Greenwich Meridian because it runs through Greenwich, England. Then, we can measure 180° to the west or 180° to the east.
Explanation:
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