How many times do the tidal waves build up and recede (rise and fall) in a day? 

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RRB JE CBT I - (Held On: 30 May 2019 Shift 1)
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  1. Twice
  2. Thrice
  3. Once
  4. Four times

Answer (Detailed Solution Below)

Option 1 : Twice
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The correct answer is Twice

Key Points

  • Twice is the number of times tidal waves build up and recede (rise and fall) in a day.
  • Tides are caused by the gravitational pull of the moon and the sun on the Earth's oceans.
  • Typically, coastal areas experience two high tides and two low tides within a 24-hour period.
  • This regular pattern of tides is due to the Earth's rotation and the positions of the moon and the sun.

Additional Information

  • The gravitational forces of the moon and the sun create what are known as tidal bulges in the Earth's oceans.
  • As the Earth rotates, different areas of the planet pass through these bulges, resulting in the cyclical pattern of high and low tides.
  • The interval between one high tide and the next is approximately 12 hours and 25 minutes, leading to the occurrence of two high tides and two low tides each day.
  • Tidal patterns can be influenced by various factors, including the shape of the coastline, the ocean floor's topography, and local weather conditions.
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