Question.
Mark the following statements as true or false; explain your answers with a sentence or two.
1. All parallels of latitude have the same length.
2. The length of a meridian of longitude is half that of the Equator.
3. The South Pole has a latitude of 90°S.
4. In Assam, the local time and the IST are identical.
5. Lines separating the time zones are identical with meridians of longitude.
6. The Equator is also a parallel of latitude.
Answer.
1. All parallels of latitude have the same length.
❌ False
The Equator is the longest parallel. As we move toward the poles, the length of the parallels of latitude decreases.
2. The length of a meridian of longitude is half that of the Equator.
❌ False
All meridians are of equal length and run from the North Pole to the South Pole. They are not measured relative to the Equator's length.
3. The South Pole has a latitude of 90°S.
✔️ True
The South Pole is located at 90 degrees south of the Equator, which is the maximum value of latitude in the southern hemisphere.
4. In Assam, the local time and the IST are identical.
❌ False
Assam is located east of the Indian Standard Meridian (82.5° E), so its local solar time is ahead of IST, but IST is used uniformly across India.
5. Lines separating the time zones are identical with meridians of longitude.
✔️ True
Time zones are typically based on meridians, usually spaced 15° apart, though actual time zone boundaries may vary due to political or geographical reasons.
6. The Equator is also a parallel of latitude.
✔️ True
The Equator is the 0° line of latitude and is considered the longest and most important parallel as it divides Earth into two hemispheres ( Northern and Southern)
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