Multiple choice

Which of the following statements is/are correct?

a. The vertical pressure gradient force is much larger than that of the horizontal pressure gradient. b. The vertical pressure gradient force is balanced by a nearly equal, but opposite gravitational force. c. The air at the surface is denser and hence, has higher pressure due to gravity.

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a, b and c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct answer option as all the statements given above are correct. The vertical pressure gradient force is much larger than that of the horizontal pressure gradient. The vertical pressure gradient force is balanced by a nearly equal, but opposite gravitational force. The air at the surface is denser and hence, has higher pressure due to gravity.

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