Wave Behavior C.5 Doppler Effect (id: af545f4ae)

本题目来源于试卷: Wave Behavior C.5 Doppler Effect，类别为 IB物理学

[单选题]
A fire truck’s siren em fr mtypa- 95ud,38qqwn/ zo+qits a frequen hmhmcb 862q* nwt jr0 xmdojh*yn-pk;/t3b73cy of $f_0​$. Starting from rest, it moves with constant acceleration and passes a stationary observer at $t=t_o$​. Which graph shows the variation of observed frequency f by the stationary observer with time?

A.
B.
C.
D.


参考答案:  C


本题详细解析:

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