音を発してる物体を何という?
三学期 期末考査 理科1 力 音

Quiz
•
Physics
•
7th Grade
•
Easy
Ryuma Ishino
Used 23+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
音源が振動するとどうなる?
空気が圧縮される
周りの空気が押し縮めらる
空気が濃くなったり薄くなる
酸素が少なくなる
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
気温が15度の時、音が空気に伝わる速さはどのくらい?___m/sの形で答えなさい。
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
音源が振動の振れ幅のことを何という?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
振幅が大きいほど音はどうなる?
高くなる
低くなる
大きくなる
小さくなる
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1秒間に音源が振動する数のことを振動数という
〇
×
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
振動数の単位ヘルツを記号で答えなさい
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