下列現象,何者不適宜用來測量跑操場一圈的時間?

國三上理化Chap1_1 時間的測量 2024 1031

Quiz
•
Physics
•
8th Grade
•
Hard
Sone Wang
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
蠟燭燃燒
節拍器
沙漏
閃爍的星光
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
以下列何者當作計時工具,精準度最差?
石英錶
擺鐘
脈搏
沙漏
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
能隨時間顯示規律變化的工具,可以作為計時器,試依此判斷下列何者不適合作為測量時間的工具?
竿影
單擺擺動
水的蒸發
沙漏
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
現在公制單位時間「秒」,是根據下列哪一項所制定的?
八萬六千四百分之一太陽日
銫原子產生之輻射的振盪次數
脈搏跳動一次的時間
單擺擺動一次的時間
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
關於測量時間的裝置之敘述,下列何者錯誤?
能隨時間規律變化
具有重複發生的現象
日晷、竿影、沙漏皆能用來計時
目前國際公制使用的時間單位「秒」是以石英錶制訂的。
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
在擺角小於10度的單擺實驗中,下列哪一項和單擺來回擺動一次所需的時間有關?
擺錘的質量
擺錘的種類
擺線的長度
擺線的種類
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
甲、乙兩單擺的擺角均相等,擺長甲>乙,則擺動一次所需的時間何者較長?
甲
乙
甲=乙
無法判定
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