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NDA 2016 GAT · General Knowledge · World Geography · easy

Spring tides, the highest of the high tides, occur when

Single correct option

Spring tides, the highest of the high tides, occur when
  1. A. The moon is at first quarter
  2. B. The moon is at third quarter
  3. C. The sun, moon and earth are in a straight line
  4. D. The moon is farthest from the earth only
Show answer and solution

Answer: (C) The sun, moon and earth are in a straight line

At new moon and full moon, the sun, moon and earth lie in one line, so the gravitational pulls add together and cause very high and very low tides, called spring tides. At the quarters the pulls are at right angles and partly cancel, giving neap tides with the least range. They have no connection with the season of spring.
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Original question written in the NDA 2016 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake