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 practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the equation representing the first law of thermodynamics?
💡 Hint: Think about how heat and work impact the energy of a system.
Question 2
Easy
Define entropy in your own words.
💡 Hint: Consider how energy disperses in a closed system over time.
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 does the first law of thermodynamics state?
- Energy can be created.
- Energy cannot be created or destroyed.
- Energy is always lost.
💡 Hint: Think about how energy behaves in a closed system.
Question 2
True or False: Entropy can decrease in an isolated system.
- True
- False
💡 Hint: Consider the idea of disorder in energy dispersion over time.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 1.0 kg piece of granite at 80°C is placed in 2 kg of water at 20°C. Calculate the final temperature of the system assuming no heat loss.
💡 Hint: Remember to account for the specific heat capacities of both substances.
Question 2
Discuss the real-life implications of the second law of thermodynamics in industrial applications such as refrigerators.
💡 Hint: Think about the design choices made in refrigeration to reduce energy loss.
Challenge and get performance evaluation