[问答题]
In Fig. 12–16, if the frequency of the speake
t.0g ayn 5w*hhy.i*h 0acj, jsrs were lowered, woul
pidry;p+.hjg5vj1 66j w1vm s d the points D and C (where d
6vsj 5p dig. 1y1;hmvpjr 6w+jestructive and constructive interference occur) move farther apart or closer together?

参考答案:
If
the frequency of the speakers is lowered, then the wavelength will be
increased. Each circle in the diagram
will be larger, and so the points C and D will move farther apart.
本题详细解析:
暂无