Pitch and Frequency
Physics ⇒ Waves and Sound
Pitch and Frequency starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Pitch and Frequency.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
A guitar string vibrates at 440 Hz. What is the pitch of the note produced compared to a string vibrating at 220 Hz?
A sound wave has a frequency of 1000 Hz. If the speed of sound in air is 340 m/s, what is its wavelength?
A sound wave has a frequency of 250 Hz and a wavelength of 1.36 m. What is the speed of sound in this case?
A sound wave has a wavelength of 0.5 m and travels at 340 m/s. What is its frequency?
A tuning fork produces a sound of 512 Hz. If another tuning fork produces a sound of 256 Hz, how does the pitch of the first compare to the second?
Describe how the pitch of a sound changes as the frequency increases.
Explain the difference between pitch and loudness of a sound.
Explain why a child’s voice usually has a higher pitch than an adult male’s voice.
If a sound wave has a period of 0.01 seconds, what is its frequency?
If the frequency of a sound is doubled, what happens to its period?
If the frequency of a sound wave increases, what happens to its pitch?
The frequency of a sound wave is 500 Hz. What is its period?
What is the physical quantity that determines the pitch of a sound?
Which property of a sound wave is most closely related to its pitch?
A bat emits a sound at 40,000 Hz to locate its prey. Explain why humans cannot hear this sound and relate it to the concept of pitch and frequency.
A sound wave has a frequency of 500 Hz and a wavelength of 0.68 m. If the speed of sound in the medium changes to 400 m/s, what will be the new wavelength if the frequency remains the same?
A sound wave in water has a frequency of 1500 Hz and travels at a speed of 1500 m/s. Calculate its wavelength.
A violin string is tightened so that its frequency increases from 400 Hz to 800 Hz. By what factor does the pitch change, and how would the sound be perceived by a listener?
Explain why the pitch of a siren appears to change as an ambulance passes by an observer, even though the frequency of the siren remains constant at the source.
If two musical notes have frequencies in the ratio 3:2, what is the musical interval between them called?
