Skip to content

Question

Why does the pressure inside a liquid drop exceed the external pressure?

Options

Choose one · Correct answer highlighted

Explanation

Surface tension creates a contractile force at the drop’s surface, requiring higher internal pressure (ΔP = 2S/r) to balance this inward force, as the curved surface tends to reduce its area.

Discussion

Comments

0 comments

No comments yet. Be the first to start the discussion.