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 an electromagnetic wave?
💡 Hint: Think of light and radio waves.
Question 2
Easy
Define amplitude.
💡 Hint: It’s related to the energy of the wave.
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 type of wave does not require a medium to travel?
- Sound wave
- Electromagnetic wave
- Water wave
💡 Hint: Think about how light travels in space.
Question 2
True or False: The higher the frequency of a wave, the shorter its wavelength.
- True
- False
💡 Hint: Remember the relationship between frequency and wavelength.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A radio wave has a frequency of 1 MHz. Calculate its wavelength in meters.
💡 Hint: Use the electromagnetic wave speed and the frequency convert to standard units.
Question 2
If a light wave’s speed is 3 x 10^8 m/s and has a wavelength of 500 nm, what is its frequency?
💡 Hint: Make sure to convert nm to meters.
Challenge and get performance evaluation