Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is speed of sound?
💡 Hint: Think about how quickly you hear thunder after you see lightning.
Question 2
Easy
What is bulk modulus?
💡 Hint: Consider how hard or soft a balloon feels when you squeeze it.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for calculating the speed of sound in a medium?
💡 Hint: Remember the relationship between pressure, volume, and sound.
Question 2
True or False: The speed of sound is faster in gases than in liquids.
💡 Hint: Think about how you hear sounds underwater.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Calculate the speed of sound if the bulk modulus of a fluid is 4.0 x 10^9 N/m² and its density is 1.0 kg/m³.
💡 Hint: Break down the units in the formula to ensure they’re consistent.
Question 2
Discuss the implications of compressibility in the context of sound transmission in gases versus solids.
💡 Hint: Consider different everyday experiences with sound in various materials.
Challenge and get performance evaluation