Characteristics of Sound
Physics ⇒ Waves and Sound
Characteristics of Sound starts at 7 and continues till grade 12.
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See sample questions for grade 12
A person hears a sound 2 seconds after seeing a flash of lightning. If the speed of sound in air is 340 m/s, how far away did the lightning strike?
A sound wave has a frequency of 500 Hz and a wavelength of 0.68 m. Calculate the speed of sound in the medium.
A sound wave travels 1500 meters in 5 seconds. What is the speed of sound in the medium?
A tuning fork produces a sound of frequency 440 Hz. If the speed of sound in air is 330 m/s, what is the wavelength of the sound produced?
Define the term 'timbre' in relation to sound.
Describe how the human ear distinguishes between different pitches of sound.
Describe the difference between noise and musical sound.
Explain why sound cannot travel through outer space.
Explain why the sound of thunder is heard after the flash of lightning is seen.
If the amplitude of a sound wave increases, what happens to its loudness?
If the frequency of a sound wave is doubled, what happens to its wavelength (assuming speed of sound is constant)?
If the speed of sound in water is 1500 m/s and its frequency is 1000 Hz, what is its wavelength?
State the relationship between wavelength, frequency, and speed of sound.
State two differences between longitudinal and transverse waves, and identify which type sound waves are.
Which characteristic of sound is measured in decibels (dB)?
Which property of sound allows us to distinguish between a piano and a violin playing the same note at the same loudness?
