Practice Audible And Inaudible Sounds - 7. Sound - ICSE 9 Physics
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Audible and Inaudible Sounds

Practice - Audible and Inaudible Sounds

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the audible range for humans?

💡 Hint: Think about the frequencies you can hear.

Question 2 Easy

What are sounds below 20 Hz called?

💡 Hint: The prefix means 'below'.

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 Hz - 20 Hz
20 Hz - 20,000 Hz
20,000 Hz - 40,000 Hz

💡 Hint: Think of the highest and lowest sounds you can hear.

Question 2

Infrasonic frequencies are below what threshold?

True
False

💡 Hint: Recall the prefix 'infra' means 'below'.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how the perception of sound varies among different species, using infrasonic and ultrasonic sounds as examples.

💡 Hint: Think about the specific needs and environments of various animals.

Challenge 2 Hard

Analyze the potential impact of infrasonic sounds in human-made environments, like factories or cities.

💡 Hint: Consider the effects of noise pollution on well-being.

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