Pitch and Frequency
Physics ⇒ Waves and Sound
Pitch and Frequency starts at 7 and continues till grade 12.
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See sample questions for grade 12
A tuning fork vibrates at 440 Hz. What is the pitch of the sound it produces compared to a tuning fork vibrating at 220 Hz?
Describe how the pitch of a sound changes if the source of the sound moves towards a stationary observer.
Describe the relationship between wavelength and frequency for a sound wave in air.
Explain why a bass drum produces a lower pitch than a snare drum.
A tuning fork vibrates at 440 Hz. What is the pitch of the sound it produces compared to a tuning fork vibrating at 220 Hz?
Describe how the pitch of a sound changes if the source of the sound moves towards a stationary observer.
Explain why a bass drum produces a lower pitch than a snare drum.
Explain why the pitch of a siren appears to change as an ambulance passes by an observer.
A sound wave with a frequency of 30,000 Hz is called: (1) Infrasound (2) Audible sound (3) Ultrasound (4) Subsonic sound
Which of the following best describes the relationship between pitch and frequency? (1) Directly proportional (2) Inversely proportional (3) No relationship (4) Exponential
Which of the following frequencies is below the threshold of human hearing? (1) 10 Hz (2) 100 Hz (3) 1000 Hz (4) 10,000 Hz
Which of the following frequencies is most likely to be perceived as a low pitch? (1) 50 Hz (2) 500 Hz (3) 5000 Hz (4) 15000 Hz
The pitch of a sound is determined by its ________, while the loudness is determined by its ________.
The range of human hearing is typically from about ________ Hz to ________ Hz.
The unit of frequency is ________.
Fill in the blank: The ________ of a sound wave is the number of complete cycles per second, and it determines the pitch of the sound.
If a sound has a frequency of 15,000 Hz, is it audible to most humans?
If two sound waves have the same amplitude but different frequencies, will they have the same pitch?
Pitch is a subjective sensation, while frequency is an objective measurement. True or False?
Ultrasound refers to sound waves with frequencies above 20,000 Hz. True or False?
