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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What unit is used to measure heat energy?
💡 Hint: Think about the SI units you learned.
Question 2
Easy
What does Q stand for in the heat measurement formula?
💡 Hint: It's the effect of temperature change.
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 specific heat capacity of water?
- 1000 J/kg°C
- 4200 J/kg°C
- 2000 J/kg°C
💡 Hint: Think about why water is often used in heating systems.
Question 2
True or False: Latent heat is required for temperature changes.
- True
- False
💡 Hint: Consider what happens during melting or boiling.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 3 kg metal block at 100°C is placed in 2 kg of water at 20°C. Assuming no heat is lost to the environment, what would be the final temperature?
💡 Hint: Consider the principles of conservation of energy.
Question 2
How much energy is needed to raise the temperature of 100 g of ice from -10°C to water at 0°C?
💡 Hint: Break it into steps accordingly first to apply the individual formulas!
Challenge and get performance evaluation