Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is entropy?
💡 Hint: Think about disorder in different objects.
Question 2
Easy
State the Second Law of Thermodynamics.
💡 Hint: Consider what happens to order in natural processes.
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 happens to the total entropy of a closed system over time?
- It decreases.
- It remains constant.
- It increases.
💡 Hint: Think about the natural tendency toward disorder.
Question 2
True or False: Heat can spontaneously flow from a colder body to a hotter body.
- True
- False
💡 Hint: Recall the direction of heat transfer.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how the Second Law of Thermodynamics can affect the efficiency of engines and refrigerators.
💡 Hint: Consider the heat exchanges in these devices.
Question 2
Calculate the change in entropy when 2 kg of ice at -5°C melts and warms to 0°C.
💡 Hint: You'll need to apply the latent heat formula for the melting.
Challenge and get performance evaluation