Sound and acoustics MCQs in Everyday Science

By: Prof. Dr. Fazal Rehman | Last updated: May 19, 2025

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1. : What is the speed of sound in air at room temperature (20°C)?



2. : What is the unit of frequency for sound waves?



3. : Which property of a sound wave determines its pitch?



4. : What is the phenomenon called when two sound waves of slightly different frequencies interfere with each other, producing a fluctuating sound?



5. : What is the term for the bouncing back of sound waves from a surface?



6. : What is the term for the gradual reduction in the amplitude of a sound wave as it travels through a medium?



7. : What is the range of human hearing, in terms of frequency?



8. : Which term describes the increase in sound intensity as sound waves pass through a narrow opening?



9. : What is the term used to describe the loudness of a sound?



10. : What type of wave is a sound wave?



11. : What happens to the speed of sound when it travels from air into water?



12. : What is the Doppler Effect in sound waves?



13. : What is the principle behind a musical instrument producing sound?



14. : What is the effect of increasing the amplitude of a sound wave?



15. : How does the temperature of the air affect the speed of sound?



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