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Consider the following statements:
Assertion (A): Tropical cyclones are not formed at the equator.
Reason (R): Coriolis force is absent at the equator.
In the context of the above, which of these is correct?
- a)A is correct, and R is an appropriate explanation of A.
- b)A is correct, but R is not an appropriate explanation of A.
- c)A is correct, but R is incorrect.
- d)Both A and R are incorrect.
Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements: Assertion (A): Tropical cyclones a...
Coriolis force is absent at the equator. Due to this, winds blowing from high-pressure sub-tropics to low-pressure tropics do not form a circulatory pattern around a low-pressure zone.
Instead, they simply fill the low-pressure zone. This is the reason cyclones start forming only after some distance away from the equator.
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Consider the following statements: Assertion (A): Tropical cyclones a...
Assertion (A): Tropical cyclones are not formed at the equator.
Reason (R): Coriolis force is absent at the equator.
The correct answer is option 'A': A is correct, and R is an appropriate explanation of A.
Explanation:
Coriolis force and its role in tropical cyclone formation:
- The Coriolis force is a deflecting force that results from the rotation of the Earth. It causes moving air or water to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
- The Coriolis force plays a crucial role in the formation and movement of tropical cyclones.
- It helps in the formation of cyclones by providing the necessary rotation to the developing storm system.
- In the Northern Hemisphere, the Coriolis force deflects the air flowing into the low-pressure center of a cyclone, causing it to rotate counter-clockwise.
- In the Southern Hemisphere, the Coriolis force deflects the air flowing into the low-pressure center of a cyclone, causing it to rotate clockwise.
Tropical cyclones at the equator:
- The equator is the region where the Coriolis force is very weak due to the small rotational effect of the Earth.
- As a result, the Coriolis force is insufficient to initiate or maintain the necessary rotation for the formation of tropical cyclones.
- Without the Coriolis force, the air does not experience the necessary deflection to create the spinning motion required for a cyclone to form.
- Therefore, tropical cyclones are not formed at the equator.
Conclusion:
- The assertion (A) that tropical cyclones are not formed at the equator is correct.
- The reason (R) that Coriolis force is absent at the equator is an appropriate explanation for the assertion.
- The Coriolis force is essential for the initiation and maintenance of the rotation needed for tropical cyclone formation, and its absence at the equator prevents the formation of cyclones in that region.
Reason (R): Coriolis force is absent at the equator.
The correct answer is option 'A': A is correct, and R is an appropriate explanation of A.
Explanation:
Coriolis force and its role in tropical cyclone formation:
- The Coriolis force is a deflecting force that results from the rotation of the Earth. It causes moving air or water to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
- The Coriolis force plays a crucial role in the formation and movement of tropical cyclones.
- It helps in the formation of cyclones by providing the necessary rotation to the developing storm system.
- In the Northern Hemisphere, the Coriolis force deflects the air flowing into the low-pressure center of a cyclone, causing it to rotate counter-clockwise.
- In the Southern Hemisphere, the Coriolis force deflects the air flowing into the low-pressure center of a cyclone, causing it to rotate clockwise.
Tropical cyclones at the equator:
- The equator is the region where the Coriolis force is very weak due to the small rotational effect of the Earth.
- As a result, the Coriolis force is insufficient to initiate or maintain the necessary rotation for the formation of tropical cyclones.
- Without the Coriolis force, the air does not experience the necessary deflection to create the spinning motion required for a cyclone to form.
- Therefore, tropical cyclones are not formed at the equator.
Conclusion:
- The assertion (A) that tropical cyclones are not formed at the equator is correct.
- The reason (R) that Coriolis force is absent at the equator is an appropriate explanation for the assertion.
- The Coriolis force is essential for the initiation and maintenance of the rotation needed for tropical cyclone formation, and its absence at the equator prevents the formation of cyclones in that region.
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Consider the following statements: Assertion (A): Tropical cyclones are not formed at the equator.Reason (R): Coriolis force is absent at the equator.In the context of the above, which of these is correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements: Assertion (A): Tropical cyclones are not formed at the equator.Reason (R): Coriolis force is absent at the equator.In the context of the above, which of these is correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements: Assertion (A): Tropical cyclones are not formed at the equator.Reason (R): Coriolis force is absent at the equator.In the context of the above, which of these is correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements: Assertion (A): Tropical cyclones are not formed at the equator.Reason (R): Coriolis force is absent at the equator.In the context of the above, which of these is correct? a) A is correct, and R is an appropriate explanation of A.b) A is correct, but R is not an appropriate explanation of A.c) A is correct, but R is incorrect.d) Both A and R are incorrect.Correct answer is option 'A'. Can you explain this answer?.
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