12 Questions
What determines the highness or lowness of sound, also known as a musical note?
Frequency
Which term refers to the amplitude of a sound wave determining its loudness or volume?
Intensity
What do ultrasonic frequencies refer to in the context of sound waves?
Frequencies beyond 20,000 Hz
Which animal can hear sounds as high as 50,000 Hz according to the text?
Dogs
What does timbre refer to in relation to sound properties?
Sound quality
What is the term used for extremely low frequencies in the context of sound waves?
Infrasonic frequencies
What is the unit of sound intensity level?
Decibel
How is sound intensity measured?
With an oscilloscope
What does an increase of 1 dB on the decibel scale mean?
Sound intensity is increased by a factor of 10
Which musical sound quality is used for differentiating two sounds with the same frequency?
Timbre
What is the characteristic defining sound waveform that determines timbre?
Material it passes through
To possess timbre, how many harmonics must a sound have in addition to the fundamental frequency?
Seven or more
Test your knowledge on the basic properties of sound waves, including pitch, loudness, and timbre. Learn about how the highness or lowness of a sound is related to its frequency and explore the characteristics of sound waves.
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