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 radiation?
💡 Hint: It doesn’t require a medium.
Question 2
Easy
Name one source that radiates heat.
💡 Hint: It’s a star at the center of our solar system.
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 primary method of heat transfer in radiation?
- By conduction
- By convection
- Through electromagnetic waves
💡 Hint: Think about how sunlight reaches us.
Question 2
True or False: Radiation requires a medium to transfer heat.
- True
- False
💡 Hint: Consider how the sun's heat reaches Earth.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A body at 300K radiates heat. If its temperature increases to 600K, how much more energy does it radiate based on the Stefan-Boltzmann Law?
💡 Hint: Remember to apply the fourth power in your calculations.
Question 2
Evaluate the effectiveness of infrared radiation compared to visible light in heating an object. Provide an example.
💡 Hint: Consider how different wavelengths affect how much heat an object receives.
Challenge and get performance evaluation