Practice Range of Hearing - 11.4 | 11. Sound | CBSE 9 Science | Allrounder.ai
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the audible range of sound for humans?

💡 Hint: Think about the range of sounds you hear every day.

Question 2

Easy

Define infrasound.

💡 Hint: Consider sounds that are too low for humans to hear.

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 the average human ear?

  • 0 - 12 kHz
  • 20 Hz - 20 kHz
  • 10 Hz - 10 kHz

💡 Hint: Consider what range you hear most commonly.

Question 2

Is infrasound above 20Hz?

  • True
  • False

💡 Hint: Reflect on where infrasound fits in the frequency spectrum.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A person can hear a sound of frequency 15 kHz. Is this sound audible to them? Explain why or why not.

💡 Hint: Consider the impact of age on sound perception.

Question 2

Explaining why ultrasound is important in both medical and industrial fields.

💡 Hint: Think about why clear images and safe structures are priority.

Challenge and get performance evaluation