Practice Audible and Inaudible Sounds - 10.6 | 10. SOUND | CBSE 8 Science
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Audible and Inaudible Sounds

10.6 - Audible and Inaudible Sounds

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the range of audible sound in Hertz?

💡 Hint: Think about the starting and ending values of human hearing.

Question 2 Easy

What do we call sounds below 20 Hz?

💡 Hint: These sounds are not detectable by the human ear.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the frequency range of audible sounds for humans?

0 to 20,000 Hz
20 to 20,000 Hz
10 to 30,000 Hz

💡 Hint: Consider the minimum and maximum Hz values.

Question 2

True or False: Sounds below 20 Hz are considered inaudible.

True
False

💡 Hint: Refer back to the definitions we discussed.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A sound wave has a frequency of 150 Hz. Is it audible, inaudible, or does it depend on the listener?

💡 Hint: Recall the specific frequency ranges discussed.

Challenge 2 Hard

If humans cannot hear sounds above 20,000 Hz, discuss what this means for communication technologies that utilize such frequencies.

💡 Hint: Consider the roles of technology in medicine as examples.

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