Practice - Drops and Bubbles
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Practice Questions
Test your understanding with targeted questions
What shape do liquid drops take when gravity is negligible?
💡 Hint: Think about the least surface area possible.
What causes the pressure difference in drops?
💡 Hint: Consider the forces acting at the surface.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Why are liquid drops spherical in shape when a gravity is negligible?
💡 Hint: Think about energy efficiency.
Is the pressure inside a bubble greater than outside?
💡 Hint: Consider the effects of surface tension.
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Challenge Problems
Push your limits with advanced challenges
Calculate the radius of a spherical drop if the internal pressure is 3000 Pa, and surface tension is 0.06 N/m.
💡 Hint: Rearrange the formula to find the radius.
Explain how the pressure inside a bubble changes when it merges with another bubble. What physical principles apply?
💡 Hint: Consider how merging volumes relate to pressure and surface tension.
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Reference links
Supplementary resources to enhance your learning experience.