某單擺擺動次數和時間的關係如附圖所示,則下列敘述何者正確?(複選)
13-1 時間
Quiz
•
Physics
•
9th Grade
•
Medium
紀 則賢
Used 25+ times
FREE Resource
14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某單擺擺動次數和時間的關係如附圖所示,則下列敘述何者正確?(複選)
擺動12次需要6秒
擺動週期為2秒
擺動的頻率為2赫
10秒可擺動20次
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
體重較重的詩羽和體重較輕的小惠分別玩同一秋千,若兩人擺動角度皆為10°,則何者擺動一次所需時間應該較長?
詩羽較長
小惠較長
時間一樣
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 關於太陽日的敘述,下列何者正確?
一天即為一個太陽日
一個太陽日即為平均太陽日
一個太陽日是指太陽的仰角連續兩次出現最大值所經過的時間
一個太陽日可等分成24小時
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 下列何者不適合用來測量時間?
竿影的變化
節拍器
沙漏
隨風飄動的旗子
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
1. 一個平均太陽日為多少小時或分鐘或幾秒?(複選)
24小時
24分鐘
3600小時
1440分鐘
86400秒
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
如附圖所示,當四個單擺以相同的小角度擺盪時,哪兩個單擺來回擺動一次所需的時間相同?
甲
乙
丙
丁
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
銫原子的振動頻率
脈搏跳動一次的時間
單擺擺動一次的時間
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