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
Define sonar in your own words.
💡 Hint: Think about how we use sound waves to find things.
Question 2
Easy
List one application of sonar technology.
💡 Hint: Consider how submarines move in water.
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 sonar primarily used for?
💡 Hint: Think about activities that happen in water.
Question 2
True or False: Sonar technology uses light waves.
💡 Hint: Consider the definition of sonar.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
If a sonar system sends a sound wave that takes 3 seconds to return from an object, and sound travels at 1500 m/s in water, how far is the object?
💡 Hint: Remember to divide the time by 2 since the sound wave travels to the object and back.
Question 2
Describe a scenario where using sonar might be ineffective, and suggest an alternative method (e.g., visual technology).
💡 Hint: Think about environments where sound waves could be distorted.
Challenge and get performance evaluation