1) If an object is to produce sound, it must be able to a) bend b) expand c) rotate d) vibrate 2) SOUND belongs to this class of waves. a) Electromagnetic b) Transverse c) Mechanical d) Longitudinal 3) Can sound be heard if the following experiment continue? a) Yes b) No 4) A star in outerspace exploded and emitted radiation. Which waves could not reach the Earth form the exploding star? a) infrared b) light c) radio d) sound 5) How is pitch related to sound? Pitch is affected by ….. a) Amplitude b) Frequency c) Wavelength d) Speed of sound 6) How is loudness related to sound? a) Amplitude b) Frequency c) Speed of sound d) Wavelength 7) What is the range of audible frequencies for a young person? a) 1 Hz to 20 Hz b) 20 Hz to 20 kHz c) 20 kHz to 200 kHz d) 1000 kHz to 20000 kHz 8) To find the depth of water beneath the ship, a pulse of sound is sent into the water and the timetaken before the echo is received is 0.4s. How far beneaththe ship is the seabed? (speed of sound in water is 1500m/s) a) 300m b) 600m c) 1200m d) 1875m
0%
Quiz1
共用
共用
共用
由 匿名
編輯內容
嵌入
更多
排行榜
顯示更多
顯示更少
此排行榜當前是私有的。單擊
共用
使其公開。
資源擁有者已禁用此排行榜。
此排行榜被禁用,因為您的選項與資源擁有者不同。
還原選項
測驗
是一個開放式範本。它不會為排行榜生成分數。
需要登錄
視覺風格
字體
需要登錄
選項
切換範本
顯示所有
播放活動時將顯示更多格式。
打開結果
複製連結
刪除
恢復自動保存:
?