Flashcards
sound 1
Flashcards do conjunto (10)
- 1As what type of wave does sound travel as?a longitudinal wave
- 2How does sound pass from one place to another?Sounds are caused by vibrating objects. Vibrations are passes from particle to particle through the air, water or solid until they reach the ear
- 3What is a medium?A medium is a material that light or sound can pass through
- 4Explain why sound passes through solids more easily (faster) than through liquids or gasesThe closer together the particles in a substance the easier it is for vibrations to pass from particle to particle so sound waves can moves more easily. Solids are more dense that liquids or gases so sound travels fastest in solids and slowest in gases
- 5what is meant by the frequency of a sound?The frequency of a sound is the number of complete waves that pass a certain point in one second
- 6In what unit is frequency measured ?Hertz (Hz)
- 7If 88 complete sound waves where to hit your ears in 1 second what would be the frequency of that sound ?88 Hertz
- 8Which type of frequency produces a high sound and which produces a low sound?a high frequency produces a high pitched sound
a low frequency produces a low pitched sound - 9Draw an oscilloscope trace showing: 1. quite , low pitched sound 2. quite, high pitched sound 3. loud, low pitched sound 4. loud, high pitched sound
- 10How is the wavelength of a sound measured , sketch a diagram to explain
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- FlashCards sobre sound 1, criado por gfhgfhg gfhgfhg em 18-01-2018.
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