B3C3會考題
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
良汶 涂
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一週期性繩波的波長為60cm,振幅為25cm,頻率為2Hz,在時間t=0s時的波形如附圖所示,已知P為繩上一點,則在t=0~2.5s期間,P點移動的平均速度大小為多少?【109教育會考補考】
0
20cm/s
120cm/s
200cm/s
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以繩波產生器分別在甲、乙兩繩上製造不同的繩波,甲繩上某點振動位移與時間的關係如附圖所示。已知甲繩的振動頻率大於乙繩,則下列各選項中的圖形,何者最可能表示乙繩上某點的振動情形?【110教育會考補考】
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一條輕繩的一端固定於水平桌面的桌緣上,拉直此繩使其呈水平後,再以固定頻率鉛直上下振動,產生相同頻率的繩波,其示意圖如附圖所示。繩波上一點P與桌面水平線的鉛直高度與時間的關係如附表所示,依據此表推論下列何者最可能是此繩波的週期?【111教育會考】
1.0×10-2s
1.5×10-2s
2.0×10-2s
3.0×10-2s
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
垃圾車收垃圾地點的順序及各站間距離如附圖所示。垃圾車每停一站便會開始播放音樂提醒附近的居民來倒垃圾,垃圾車在第1站停下來播放音樂並收垃圾,若忽略風及溫度對聲速的影響,則此時在第2站的小強與第3站的小樂聽到音樂傳來的時間差為下列何者?(當時聲速為340m/s)【103.會考】
0
1.0s
1.5s
2.0s
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
樂譜上常用 f、p 等力度記號來表示樂曲在此處的音量(響度)大小應該如何變化,此類力度記號與聲波的下列何種特性最相關?【109教育會考】
波長
波速
頻率
振幅
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附表為兩種動物所能聽見聲音的頻率範圍。在空氣溫度為15℃,聲波波速為34000cm/s的環境下,若發出波長為1000cm,且音量足夠大的聲波,則參閱表中的資訊,下列有關此兩種動物是否能聽到此聲波的敘述何者最合理?【107教育會考】
兩種動物都聽得到此聲波
兩種動物都聽不到此聲波
此聲波大象聽得到,而兔子聽不到
此聲波兔子聽得到,而大象聽不到
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.25
0.5
1
2
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