國中自然2上ch3-1波的傳播與特徵

Quiz
•
Biology
•
8th Grade
•
Hard
翰林出版國中自然 翰林出版國中自然
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
關於橫波與縱波的敘述,下列何者錯誤?
縱波介質振動方向與波前進方向互相平行
橫波相鄰兩波峰的距離為波長
空氣中的聲音是一種縱波
橫波振動一次,介質移動兩個振幅
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如圖所示,若振動頻率加倍,則下列何者正確?
振幅增加
波速增加
波自B傳到F的時間減少
波長變短
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(甲)上下擺動繩子所造成的波;(乙)無線對講機的無線電波;(丙)大氣中的光波;(丁)空氣中的聲波。上列哪些波動屬於「力學波」?
甲丙
乙丁
甲丁
乙丙
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如圖,小明以手握住細繩,當波由A點到達C點時,花費了0.1秒,試問繩波的振動頻率為多少?
3次/秒
10次/秒
15次/秒
30次/秒
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有一繩波每分鐘振動120次,且波長為3公分,請問此波的傳播速率為多少?
360公分/秒
120公分/秒
40公分/秒
6公分/秒
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
附圖為相同時間內在同一介質內傳播的甲、乙兩個波的波形,則下列敘述何者錯誤?
甲、乙的波長比為1:2
甲、乙的週期比為1:2
甲、乙的振幅比為1:2
甲、乙的波速比為1:2
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
圖為一向右前進的連續週期波,試問甲、乙、丙三點的瞬間運動方向為何?
甲向上,乙向下,丙向下
甲向下,乙向上,丙向上
甲向下,乙不動,丙向上
甲向上,乙不動,丙向下
8.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
依依到河邊郊遊,站在河岸邊欣賞風景時,忽然一陣風吹來,將依依的頭巾吹到河面上,她急忙的用手拍動水面,想利用水波將頭巾拍回岸邊,則她這樣做可行嗎?
可行,但要快速地拍動才行
可行,但頭巾也有可能愈漂愈遠
不可行,水波並不能使頭巾漂回岸邊
可行,頭巾會隨著水波傳回岸邊
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