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Atmospheric pressure and Types of Winds

Telangana Open School (TOSS) · Class 12 · Geography

Complete topic list for Atmospheric pressure and Types of Winds in Telangana Open School (TOSS) Class 12 Geography. Key concepts, sub-topics, and what to focus on for board exams.

45 questions35 flashcards4 concepts

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3 Topics · Telangana Open School (TOSS) Class 12 Geography

Topics in Atmospheric pressure and Types of Winds

1

Atmospheric Pressure

  • Atmospheric pressure is the weight of air on a unit area of Earth's surface.
  • It is measured using a barometer in units of millibars (mb).
  • Standard sea-level pressure is 1013.25 mb.
2

Pressure Belts of the World

  • There are seven global pressure belts: one equatorial low, two subtropical highs, two subpolar lows, and two polar highs.
  • Equatorial Low-Pressure Belt lies between 0° to 5° N and S; receives vertical sun rays, causing air to rise.
  • Subtropical High-Pressure Belts lie around 30° N and S; sinking air creates calm zones known as Horse Latitudes.
3

Winds and Their Types

  • Winds are horizontal movements of air from high to low pressure.
  • Permanent winds blow regularly throughout the year: Trade Winds, Westerlies, Polar Easterlies.
  • Trade Winds blow from subtropical highs (30°) to equatorial low (0°); called NE in Northern Hemisphere, SE in Southern Hemisphere.

Key Concepts

Central concept: Atmospheric Pressure and Winds

Atmospheric PressurePressure Belts of the WorldShifting of Pressure BeltsWindsTypes of WindsCyclones and AnticyclonesJet Streams

Frequently Asked Questions

What are the important topics in Atmospheric pressure and Types of Winds for Telangana Open School (TOSS) Class 12 Geography?
Atmospheric pressure and Types of Winds covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Atmospheric pressure and Types of Winds — Telangana Open School (TOSS) Class 12 Geography?
Understand the core concepts first, then work through the 45 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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