本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理
[问答题]
Consider the two waves h9ujd zkz; 11qi:u- oc9s5msb shown in Fig. 12–31. Each wave can be thought of as a su g7ty hiy-i:j8perposition of two sound waves with slightly different frequencies, as in Fig. 12–18. In which of the waves, (a) or (b), are the two component frequen i8i hyj-y t:7gcies farther apart? Explain.
 (12-31)
 (12-18)
参考答案:
From the two waves shown, it is seen that the
frequency of beating is higher in Figure (a) – the beats occur more
frequently. The beat frequency is the
difference between the two component frequencies, and so since (a) has a higher
beat frequency, the component frequencies are further apart in (a).
本题详细解析:
暂无
| 
