Practice Range Of Hearing (11.4) - Sound - CBSE 9 Science
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Range of Hearing

Practice - Range of Hearing

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Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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

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

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Reference links

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