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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is latent heat?
💡 Hint: What happens during melting or boiling?
Question 2
Easy
Name the two types of latent heat.
💡 Hint: Think about solid to liquid and liquid to gas changes.
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 latent heat?
- A type of thermal energy
- The heat required for phase change
- Heat exchanged during condensation
💡 Hint: Connect it with phase changes.
Question 2
True or False: The latent heat of fusion is greater than the latent heat of vaporization.
- True
- False
💡 Hint: Consider energy needed for each phase change.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 1 kg block of ice is at -10°C. Calculate the total energy needed to turn it into steam at 100°C. Use the appropriate specific heat capacities, latent heats of fusion and vaporization for your calculations.
💡 Hint: Break it into steps and use Q = mL for phase changes.
Question 2
Consider a refrigeration unit that removes heat from indoor air at 32°C. If it has a cooling capacity of 2500 J/s, how much water could be frozen if it operated continuously for 1 hour?
💡 Hint: Set up your calculation with total energy over time, then relate it to mass.
Challenge and get performance evaluation