
1-1時間
Authored by Vincent Huang
Science
9th Grade
Used 3+ times

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10 questions
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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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