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声音的产生与传播

> 用手将自己的耳朵堵住，把振动的音叉的尾部先后抵在前额、牙齿和下颌上，能听到音叉的声音最大的是 [ ] A、音叉抵在前额上 B、音叉抵在牙齿上 C、音叉抵在下颌上 D、无法判断

问题：

发布时间：2024-09-08

用手将自己的耳朵堵住，把振动的音叉的尾部先后抵在前额、牙齿和下颌上，能听到音叉的声音最大的是
[ ]
A、音叉抵在前额上
B、音叉抵在牙齿上
C、音叉抵在下颌上
D、无法判断

参考答案：

提问用户：r9***baA

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