Geography UGC NET UPSC

The average time interval between two successive high tides is—

(A) 6 hrs, 13 mts.

(B) 12 hrs, 26 mts.

(D) 18 hrs, 39 mts.

The correct answer is (B) 12 hrs, 26 mts.

Let's explain all the options:

(A) 6 hrs, 13 mts: This option suggests a relatively short time interval between two successive high tides. However, it is not the correct answer. The actual time interval between high tides is longer.

(B) 12 hrs, 26 mts: This is the correct answer. On average, the time interval between two successive high tides is approximately 12 hours and 26 minutes. This is because the Earth experiences two high tides and two low tides approximately every 24 hours and 52 minutes due to the gravitational interaction between the Earth, the Moon, and the Sun.

(C) 24 hrs, 50 mts: This option suggests a full day as the time interval between high tides. However, this is not accurate. It takes approximately 24 hours and 50 minutes for the Earth to complete one rotation on its axis, which is known as a solar day, but this duration does not directly correspond to the timing of high tides.

(D) 18 hrs, 39 mts: This option suggests a time interval between high tides that is longer than the correct answer. It does not accurately represent the average time between two successive high tides.

In summary, the average time interval between two successive high tides is (B) 12 hrs, 26 mts. This timing can vary slightly due to factors such as the Moon's position and the geography of the coastline.

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