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 gh7q4 yrn(xm +shown in Fig. 12–31. E z34fvtxvt6(uu;xjj.o 69p u7qtwi y5 ach wave can be thought of as a superposition of two sound waves with slightly different frequencies, as in Fig. 12–18. In which of t xxuiw63yj4ou tp9.z6 5 qt;u(j7 v vfthe waves, (a) or (b), are the two component frequencies 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:
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