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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What shape do liquid drops take when gravity is negligible?
💡 Hint: Think about the least surface area possible.
Question 2
Easy
What causes the pressure difference in drops?
💡 Hint: Consider the forces acting at the surface.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Why are liquid drops spherical in shape when a gravity is negligible?
- To minimize surface area
- To maximize pressure
- To hold more liquid
💡 Hint: Think about energy efficiency.
Question 2
Is the pressure inside a bubble greater than outside?
- True
- False
💡 Hint: Consider the effects of surface tension.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation