
Sound Energy
Quiz by Nazish Latif - 76627/TCHR/BGWTC
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7 questions
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- Q1Which feature of sound tell us about about pitch of the sound?pattern of wavesHeight of wavesNumber of waves30s
- Q2How does frequency affect pitch?It does not affect the pitch of the sound.If the wave's frequency decreases, the pitch also increases.If the wave's frequency increases, the pitch also decreases.If the wave's frequency increases, the pitch also increases.30s
- Q3It refers to the number of waves crests that pass a point during one second; measured in Hertz (Hz)amplitudeFrequencySpeedwavelength30s
- Q4Erin and John are communicating with each other using a string telephone that they have made. What vibrates when John speaks?string vibratesJohn's larynx (voice box)CupJohn's ears30s
- Q5What vibrates after vibration of the ear drum in human ear?cochleaear canalPinnathree tiny bones30s
- Q6__________________ detects the sound from all around.Pinnaear drumtiny hairsear canal30s
- Q7___________ has tiny hairs to transform vibrations into electrical signals.ear drumthree tiny bonesnervesCochlea30s