在某介質中一連續週期波的波形,如圖所示。假設甲、乙兩點相距 40 cm,波源做 1 次完整振動需 4 秒(s),則下列何者為這個週期波在此介質中傳遞時的速率?〔94. 基測Ⅰ〕

理化B3會考題C卷

Quiz
•
Physics, Chemistry
•
9th Grade
•
Hard
chungtsen chen
Used 4+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5 cm/s
10 cm/s
20 cm/s
40 cm/s
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
參考附圖反射關係的角度示意,今有一束光線射向平面鏡,若入射角為 40°,則下列敘述何者正確?﹝90.基測 II﹞
θ1=θ2
θ1=θ3
θ1=θ4
θ3=θ4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
伊瑪將某液體倒入量筒中,測得液體的體積 V,再置於天平上,測出量筒和液體的總質量 M,如表所示,則某液體的密度為何?﹝90.基測 I﹞
0.3 公克/立方公分
0.8 公克/立方公分
1.0 公克/立方公分
3.0 公克/立方公分
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知室溫時,食鹽的溶解度為36 g/100 g水。小梅在室溫下分別配製甲、乙兩杯食鹽水溶液,各杯內加入的食鹽與水之質量如表所示。小梅將兩杯食鹽水溶液過濾後混合成一杯,若過程中水的蒸發量不計,此杯混合溶液的重量百分濃度約為多少? ﹝103.會考﹞
0.265
0.3
0.36
0.429
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某物質在溫度為-80℃時為固體,-20℃時為液體,300℃時為氣體,根據下表,此物質可能為下列何者?﹝97.基測 II﹞
甲
乙
丙
丁
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