Wave Behavior C.2 Traveling Waves (id: cab3c9da2)

admin · 发表于 2024-2-8 13:14:04

本题目来源于试卷: Wave Behavior C.2 Traveling Waves，类别为 IB物理学

[单选题]
A radio wave of frequen i;:qn5hk m6)imc) 3mt:ykkgi cy 90 Hz tii vhuwv( i22x 7/8,w psrlam)ravels a distance $d$. The number of wavelengths that can fit into this distance is 6000. What is $d$?

A. 1.8km
B. 3.3km
C. 20km
D. 200km

参考答案: C

本题详细解析:
Explanation:

data/attachment/exam/2311/28/2311281104804131.jpg

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Xia · 发表于昨天 17:08

少了个M

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