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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit of heat?
💡 Hint: Think about energy units.
Question 2
Easy
Is temperature the same as thermal energy?
💡 Hint: Recall the definitions of both terms.
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 a substance?
- The heat required to change its state
- The heat required to raise its temperature by 1°C
- The total internal energy of the substance
💡 Hint: Focus on how specific heat is defined.
Question 2
What type of heat transfer occurs without direct contact?
- Conduction
- Convection
- Radiation
💡 Hint: Consider heat transfer methods that use waves.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the heat required to melt 5 kg of ice at 0°C to water at 0°C, given the latent heat of fusion of ice is 334,000 J/kg.
💡 Hint: Remember the melting process uses latent heat of fusion.
Question 2
A gas with a volume of 0.1 m³ and pressure 200,000 Pa is heated, and its volume changes to 0.2 m³. Calculate the new pressure using the Ideal Gas Law if temperature remains constant.
💡 Hint: Isolate the pressure using the relationship of initial and final states.
Challenge and get performance evaluation