Multiple choice

Which of the following conditions should be fulfilled for geostrophic wind? a. Isobars are straight and without friction. b. The coriolis force balances the frictional force. c. The pressure gradient force is balanced by the Coriolis force. d. The wind blows parallel to the isobar.

  1. Only a, b and c

  2. Only a, b and d

  3. Only a, c and d

  4. Only b, c and d

  5. All of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When isobars are straight and when there is no friction, the pressure gradient force is balanced by the Coriolis force and the resultant wind blows parallel to the isobar. This wind is known as the geostrophic wind. This is the correct answer option.

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