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Movements of Ocean Water

CBSE · Class 11 · Geography

Quick revision notes for Movements of Ocean Water — CBSE Class 11 Geography. Key concepts, formulas, and definitions for last-minute revision.

63 questions84 flashcards5 concepts

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Key Topics to Revise

1

1. Main Movements of Ocean Water

  • Ocean water shows both horizontal and vertical motion.
  • Ocean currents and waves are horizontal motions of ocean water.
  • Tides are vertical motions of ocean water.
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2. Waves

  • Waves are energy moving across the ocean surface, not the water itself.
  • Water particles travel in a small circle as a wave passes.
  • Wind provides energy to waves.
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3. Tides and Surges

  • Tides are the periodical rise and fall of sea level, once or twice a day, mainly due to the attraction of the Sun and the Moon.
  • Surges are movement of water caused by meteorological effects such as winds and atmospheric pressure changes.
  • Surges are not regular like tides.
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4. Types of Tides and Special Tide Conditions

  • Semi-diurnal tides have two high tides and two low tides each day, with successive highs or lows of approximately the same height.
  • Diurnal tides have one high tide and one low tide each day, with successive highs and lows approximately the same height.
  • Mixed tides have variations in height and generally occur along the west coast of North America and on many Pacific islands.

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Full Notes

Key Concepts

Ocean water moves in two mainWaves are the energy that movesWave height is the vertical distanceA tide is the periodical riseThe major causes of tides

Frequently Asked Questions

What are the important topics in Movements of Ocean Water for CBSE Class 11 Geography?
Movements of Ocean Water covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Movements of Ocean Water — CBSE Class 11 Geography?
Understand the core concepts first, then work through the 63 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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