
理化習作B3_第一次段考
Quiz
•
Social Studies
•
6th - 8th Grade
•
Practice Problem
•
Medium
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下為某篇關於重力波的報導:
「重力波」是愛因斯坦預測的物理現象之一。當帶
有質量的物體進行運動時,會在時空中產生波動,
這種波就是重力波,重力波的傳播不需要介質,其
傳播速率與電磁波相同,都以光速傳播⋯⋯。
根據上述資訊,下列有關重力波的敘述何者最合理?
Answer explanation
彈簧波與聲波屬於力學波,電磁波與光波不屬於力學波由題目可知重力波的傳播不需要介質,因此不屬於力學波
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使一彈簧前後來回振動後產生的彈簧波如附圖所示,則下列敘述何者錯誤?
Answer explanation
波只會傳遞能量,介質不會隨著波向前移動
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使一彈簧上下振動後產生的彈簧波如附圖所示,則下列敘述何者正確?
Answer explanation
所產生的波為橫波;兩者振動次數相同;a、b振動所需時間相同
4.
MATCH QUESTION
1 min • 1 pt
附圖中A~E分別代表波的不同性質,請填寫至對應的
名稱中。
A
波長
C
週期
D
頻率
E
振幅
B
波谷
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
此水波的振幅及波長分別為多少公分?
Answer explanation
振幅是波峰或波谷到原靜止位置的距離,為20公分;波長是相鄰兩波峰或相鄰兩波谷的直線距離,為40公分
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請推測再經過1秒後,水波的波形為下列何者?
Answer explanation
此水波的週期為4秒,時間為 4n秒的整數倍時,波形圖同(A) ; 4n+1秒時同(B); 4n+2秒時同(C);4n+3秒時同(D)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
此水波的頻率為多少赫?
Answer explanation
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