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.

Academics
Professionals

Professional Courses

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

Professional Courses
Games

Interactive Games

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

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the audible range of sound for humans?

πŸ’‘ Hint: Think about the range of sounds you hear every day.

Question 2

Easy

Define infrasound.

πŸ’‘ 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

πŸ’‘ Hint: Consider what range you hear most commonly.

Question 2

Is infrasound above 20Hz?

  • True
  • False

πŸ’‘ 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.

πŸ’‘ Hint: Consider the impact of age on sound perception.

Question 2

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

πŸ’‘ Hint: Think about why clear images and safe structures are priority.

Challenge and get performance evaluation