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 9
A guitar string is tightened, causing its frequency to increase. What happens to the pitch of the sound produced?
A sound wave has a frequency of 100 Hz and a wavelength of 3.4 m. What is the speed of sound in this case?
A sound wave has a frequency of 1000 Hz. What is its period? (Give your answer in seconds.)
A sound wave has a frequency of 200 Hz and another has a frequency of 400 Hz. Which one has a shorter wavelength (assuming both travel at the same speed)?
A student hears two notes: one at 300 Hz and one at 600 Hz. Which note has a higher pitch?
A violin string vibrates at 440 Hz. What is the pitch of the sound produced compared to a string vibrating at 220 Hz?
Explain why a child’s voice usually has a higher pitch than an adult’s voice.
If a sound wave has a frequency of 440 Hz and the speed of sound in air is 330 m/s, what is its wavelength?
If a sound wave has a frequency of 50 Hz, how many vibrations occur in 2 seconds?
If a sound wave has a frequency of 500 Hz, what can you say about its pitch compared to a sound wave of 250 Hz?
If a tuning fork vibrates at 256 Hz, what is its period?
If the frequency of a sound wave doubles, what happens to its pitch?
If the period of a sound wave is 0.005 seconds, what is its frequency?
What is the formula to calculate the frequency of a wave if its period is known?
What is the frequency of a sound wave with a period of 0.02 seconds?
What is the relationship between pitch and frequency in sound waves?
Which instrument produces a higher pitch: a piccolo or a double bass?
Which property of a sound wave determines its pitch?
