State PCS PYQPrelims 2023

UPPCS · Question 144

What causes wind to deflect towards the left in the Southern Hemisphere?

  1. Temperature
  2. Pressure
  3. Magnetic field
  4. Coriolis force
Show answer & explanation

Answer: (D) Coriolis force

Explanation

Earth's rotation produces the Coriolis force, deflecting winds right in the NH and left in the SH (Ferrel's law).