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Which of the following statements are true regarding west wind?
(i) Its direction of flow in the Northern Hemisphere is from North West to South West
(ii) Its direction of flow in the Southern Hemisphere is from South West to North East
- a)Both the statements (i) and (ii) are correct
- b)Statement (i) is true and (ii) is false
- c)Statements (i) false and (ii) true
- d)Both the statements (i) and (ii) are wrong
- e)None of the above / More than one of the above
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements are true regarding west wind?(i) It...
Statement (i): Its direction of flow in the Northern Hemisphere is from North West to South West.
Statement (ii): Its direction of flow in the Southern Hemisphere is from South West to North East.
Explanation:
The direction of wind is primarily influenced by the rotation of the Earth and the pressure gradient. In the Northern Hemisphere, wind generally flows clockwise around areas of high pressure and counterclockwise around areas of low pressure. In the Southern Hemisphere, the wind flows in the opposite direction, counterclockwise around areas of high pressure and clockwise around areas of low pressure.
Statement (i) is incorrect because the direction of flow of the west wind in the Northern Hemisphere is from the west to the east, not from the northwest to the southwest. The west wind blows from areas of high pressure in the west to areas of low pressure in the east.
Statement (ii) is also incorrect because in the Southern Hemisphere, the west wind flows from the east to the west, not from the southwest to the northeast. This is due to the same principle of wind flow around areas of high and low pressure.
Therefore, both statements (i) and (ii) are incorrect.
Correct answer: Both the statements (i) and (ii) are wrong. (Option D)
Statement (ii): Its direction of flow in the Southern Hemisphere is from South West to North East.
Explanation:
The direction of wind is primarily influenced by the rotation of the Earth and the pressure gradient. In the Northern Hemisphere, wind generally flows clockwise around areas of high pressure and counterclockwise around areas of low pressure. In the Southern Hemisphere, the wind flows in the opposite direction, counterclockwise around areas of high pressure and clockwise around areas of low pressure.
Statement (i) is incorrect because the direction of flow of the west wind in the Northern Hemisphere is from the west to the east, not from the northwest to the southwest. The west wind blows from areas of high pressure in the west to areas of low pressure in the east.
Statement (ii) is also incorrect because in the Southern Hemisphere, the west wind flows from the east to the west, not from the southwest to the northeast. This is due to the same principle of wind flow around areas of high and low pressure.
Therefore, both statements (i) and (ii) are incorrect.
Correct answer: Both the statements (i) and (ii) are wrong. (Option D)
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Which of the following statements are true regarding west wind?(i) It...
Due to the rotation speed of the earth, their flow direction is from south-west to north-east in the northern hemisphere and from north-west to south-east in the southern hemisphere.
IMPORTANT FACTS
- Westerly winds are winds that move from subtropical high pressure to subpolar low pressure.
- The permanent wind blowing in both the hemispheres between subtropical high pressure 30°- 35° to subpolar low air pressure 60°- 65° is called westerly wind.
- Due to the greater expansion of the ocean in the Southern Hemisphere, these winds blow continuously at an uninterrupted speed and become more powerful.
- The wet air masses that bring winter rains to the north-western region of India are part of westerly winds.
ADDITIONAL INFORMATION
Wind
- The moving air is called wind.
- Winds are classified into three categories on the basis of their effect and area and duration:--
Prevailing Wind / Standing Wind: There are three types of prevailing wind
- Trade wind
- Westerly wind
- Polar wind
Seasonal Wind: There are three types of seasonal wind
- Land Breeze
- Sea Breeze
- Monsoon Wind
Local Wind: There are two types of local wind
- Warm local wind
- Cold local wind
CONFUSING POINTS-:
- Trade winds 5°- 30° north trade winds in the southern hemisphere
- Westerly winds 35°- to 60°North Southern Hemisphere
- 40° –Roaring Forties
- 50° – Fierce fifty runs only in the southern hemisphere.
- 60° – Screaming Sixty
- Roaring Forties, Fierce fifty, Screaming Sixty winds blow only in the Southern Hemisphere.
- Polar Winds – Polar winds (cool dry) between 65°-80°
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Which of the following statements are true regarding west wind?(i) Its direction of flow in the Northern Hemisphere is from North West to South West(ii) Its direction of flow in the Southern Hemisphere is from South West to North Easta)Both the statements (i) and (ii) are correctb)Statement (i) is true and (ii) is falsec)Statements (i) false and (ii) trued)Both the statements (i) and (ii) are wronge)None of the above / More than one of the aboveCorrect answer is option 'D'. Can you explain this answer?
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