Mechanism of monsoon


 
 
Concept Explanation
 

Mechanism of Monsoon

Principles of Origin of Monsoon

1. Conventional Principles

  • According to this, when the sun is solstice after 21 March the heat starts to rise in northern India. By mid - June, the heat increases tremendously and Northwest India and Pakistan become low pressure areas.
  • These low pressure regions are so powerful that the trade winds of the southern hemisphere cross the equator and are attracted to it and become part of the Indian wind system in the form of southeast monsoon winds.
  • These have enough moisture due to thousands of km sea voyages. Hence, dark - black clouds start to rise and humid atmosphere is formed and eventually heavy rainfall occurs.
  • In this way, the sudden onset of monsoon starts which is called 'Burst of Monsoon'.
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    Sample Questions
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    Question : 1

    The monsoons strangenly affect the _______ of India .

    Right Option : A
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    Explanation
    Question : 2

    In which monsoon, the Sun shines vertically over the Tropic of Cancer resulting in high temperature and low pressure is still sufficiently high over Arabian Sea and Bay of Bengal?

    Right Option : B
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    Explanation
    Question : 3

    When the winds blow from North East to the South - West in winter from land to sea, it is called ______ monsoon in winter.

    Right Option : C
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    Explanation
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