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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is heat?
💡 Hint: Think about how energy moves from hot to cold.
Question 2
Easy
What does a thermometer measure?
💡 Hint: Recall the common device used to check for fever.
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
What is the measurement of heat transfer?
- Joules
- Watt
- Celsius
💡 Hint: Consider how energy is quantified in physics.
Question 2
The coefficient of linear expansion determines how much a material expands with temperature. True or False?
- True
- False
💡 Hint: Recall the definition of this coefficient.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A metal bar measuring 1.5 m is heated from 25°C to 75°C. Given its coefficient of linear expansion is 0.00001/°C, how much will the bar expand?
💡 Hint: Use the linear expansion formula.
Question 2
A gas occupies 2.0 m³ at a pressure of 200 kPa and a temperature of 300 K. If it expands to 4.0 m³, what is the new pressure, assuming temperature remains constant?
💡 Hint: Refer to the concept of ideal gas law and its applications.
Challenge and get performance evaluation