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

Test your understanding with targeted questions related to the topic.

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.

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 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.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation