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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define conduction in your own words.
💡 Hint: Think about how a spoon gets hot in soup.
Question 2
Easy
Give an example of convection.
💡 Hint: Consider heating a room.
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 conduction?
- Heat transfer with movement of particles
- Heat transfer through direct contact
- Heat transfer through waves
💡 Hint: Remember the spoon in hot soup.
Question 2
True or False: Convection occurs only in solids.
- True
- False
💡 Hint: Think about how hot air rises.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a metal rod ends at temperature 100°C and the other end at 25°C, how long will it take for the entire rod to reach uniform temperature given that it has a length of 1 meter and a thermal conductivity of 45 W/mK?
💡 Hint: Consider using the formula to find out.
Question 2
A room has a constant heat supply of 2000 J/s, and the air can lose heat through convection and radiation at a rate of 1000 J/s. How would this affect the room temperature over an hour if other factors remain constant?
💡 Hint: Think about the total heat absorbed in one hour.
Challenge and get performance evaluation