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1-1時間
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Vincent Huang
Used 3+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知A、B、C三個單擺的擺角關係為：θA＜θB＜θC＜5°，擺錘質量關係為：mC＞mB＞mA，擺長關係為：LA＞LB＞LC，則A、B、C三個單擺的週期何者最大？
A
B
C
皆相等
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
太陽在天空中的高度角，連續兩次出現最大值所經歷的時間，稱為：
一個太陽日
一個平均太陽日
一個恆星日
一天
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關時間的敘述，哪一項錯誤？
一年中各太陽日的長短並不一致
手錶的秒針跳動一次所需的時間為1秒
有些具有規律變化但並無週而復始的現象，亦可用來測量時間
單擺擺動一次的時間為1秒
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A、B兩單擺的擺角均相等，擺長A＞B，則擺動一次所需的時間何者較長？
A
B
A＝B
無法判定
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在小角度的單擺運動中，往復擺動一次所需的時間，和下列哪一項有關？
擺錘的質量
擺線的長度
擺動的角度
擺線的種類
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列現象，何者不適宜用來測量時間？
蠟燭燃燒
節拍器
沙的滴漏
閃爍的星光
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
西元1583年首先發現單擺具有等時性的科學家，請問是哪一位？
牛頓
哥白尼
達文西
伽利略
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