The Coriolis effect is the result of

[amp_mcq option1=”Pressure gradient” option2=”Earth’s axis of inclination” option3=”Earth’s rotation” option4=”Earth’s revolution” correct=”option3″]

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UPSC NDA-2 – 2017

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The Coriolis effect is the result of the Earth’s rotation.

The Coriolis effect is an apparent force (a fictitious force in a rotating reference frame) that deflects moving objects like winds, ocean currents, and missiles from their intended straight path. It is a consequence of observing motion from a rotating frame of reference, specifically the Earth. In the Northern Hemisphere, it causes deflection to the right; in the Southern Hemisphere, it causes deflection to the left.

While pressure gradients drive atmospheric and oceanic movements, it is the Earth’s rotation that causes the Coriolis deflection of these movements. The Earth’s axis of inclination is responsible for seasons, and the Earth’s revolution around the sun also contributes to seasons.

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