UPSC Exam > UPSC Questions > Which of the following is/are correct?(a) Coi...
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Which of the following is/are correct?
(a) Coirolis force causes tropical cyclones near the equator.
(b) The Coriolis force acts perpendicular to the pressure gradient force.
(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.
(a) Coirolis force causes tropical cyclones near the equator.
(b) The Coriolis force acts perpendicular to the pressure gradient force.
(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.
- a)a and b
- b)b and c
- c)a and c
- d)a, b and c
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following is/are correct?(a) Coirolis force causes tropic...
Explanation:
Coriolis force is an apparent force that acts on objects moving in a rotating reference frame, such as the Earth. It is caused by the rotation of the Earth and the inertia of moving objects. This force affects the movement of air and water masses on the Earth's surface and plays a significant role in atmospheric and oceanic circulation patterns.
(a) Coirolis force causes tropical cyclones near the equator:
This statement is incorrect. Tropical cyclones, also known as hurricanes or typhoons, do not form near the equator. They typically form in tropical regions between 5 and 30 degrees latitude. The Coriolis force is responsible for the rotation of these cyclones, but it does not directly cause their formation.
(b) The Coriolis force acts perpendicular to the pressure gradient force:
This statement is correct. The pressure gradient force is the force that drives the air from areas of high pressure to areas of low pressure. The Coriolis force acts perpendicular to the pressure gradient force, causing the moving air to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere. This deflection is known as the Coriolis effect.
(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere:
This statement is also correct. As mentioned earlier, the Coriolis force deflects moving objects to the right in the northern hemisphere and to the left in the southern hemisphere. This deflection is observed in the movement of wind, ocean currents, and other large-scale atmospheric and oceanic phenomena.
In summary:
- Option (a) is incorrect because the Coriolis force does not cause tropical cyclones near the equator.
- Option (b) is correct because the Coriolis force acts perpendicular to the pressure gradient force.
- Option (c) is correct because the Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.
Therefore, the correct answer is option 'B': (b) The Coriolis force acts perpendicular to the pressure gradient force.
Coriolis force is an apparent force that acts on objects moving in a rotating reference frame, such as the Earth. It is caused by the rotation of the Earth and the inertia of moving objects. This force affects the movement of air and water masses on the Earth's surface and plays a significant role in atmospheric and oceanic circulation patterns.
(a) Coirolis force causes tropical cyclones near the equator:
This statement is incorrect. Tropical cyclones, also known as hurricanes or typhoons, do not form near the equator. They typically form in tropical regions between 5 and 30 degrees latitude. The Coriolis force is responsible for the rotation of these cyclones, but it does not directly cause their formation.
(b) The Coriolis force acts perpendicular to the pressure gradient force:
This statement is correct. The pressure gradient force is the force that drives the air from areas of high pressure to areas of low pressure. The Coriolis force acts perpendicular to the pressure gradient force, causing the moving air to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere. This deflection is known as the Coriolis effect.
(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere:
This statement is also correct. As mentioned earlier, the Coriolis force deflects moving objects to the right in the northern hemisphere and to the left in the southern hemisphere. This deflection is observed in the movement of wind, ocean currents, and other large-scale atmospheric and oceanic phenomena.
In summary:
- Option (a) is incorrect because the Coriolis force does not cause tropical cyclones near the equator.
- Option (b) is correct because the Coriolis force acts perpendicular to the pressure gradient force.
- Option (c) is correct because the Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.
Therefore, the correct answer is option 'B': (b) The Coriolis force acts perpendicular to the pressure gradient force.
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Which of the following is/are correct?(a) Coirolis force causes tropical cyclones near the equator.(b) The Coriolis force acts perpendicular to the pressure gradient force.(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.a)a and bb)b and cc)a and cd)a, b and cCorrect answer is option 'B'. Can you explain this answer?
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Which of the following is/are correct?(a) Coirolis force causes tropical cyclones near the equator.(b) The Coriolis force acts perpendicular to the pressure gradient force.(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.a)a and bb)b and cc)a and cd)a, b and cCorrect answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following is/are correct?(a) Coirolis force causes tropical cyclones near the equator.(b) The Coriolis force acts perpendicular to the pressure gradient force.(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.a)a and bb)b and cc)a and cd)a, b and cCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is/are correct?(a) Coirolis force causes tropical cyclones near the equator.(b) The Coriolis force acts perpendicular to the pressure gradient force.(c) Coriolis force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.a)a and bb)b and cc)a and cd)a, b and cCorrect answer is option 'B'. Can you explain this answer?.
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