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UPSC 2010: What causes wind to deflect toward left in the Southern hemisphere?
(a)Temperature
(b)Magnetic field
(c)Rotation of the earth
(d)Pressure
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Not attemptedCorrect Answer: (c) Rotation of the earth
In the Southern Hemisphere moving air masses are deflected to the left by the Coriolis force, which arises solely due to Earth’s rotation. Temperature and pressure create winds, but the sideways deflection is a consequence of rotation, not magnetic field. ([licchavilyceum.com](https://licchavilyceum.com/upsc-2010-prelims-question-paper/))
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Frequently Asked Questions
What is the correct answer to this UPSC 2010 Geography question?▼
The correct answer is option (c): Rotation of the earth. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Atmosphere & Climatology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2010, GS Paper 1, as Question 107. It falls under Geography > Atmosphere & Climatology.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Atmosphere & Climatology?▼
UPSC has asked 70 questions from Atmosphere & Climatology (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.