gc textbook chapter 12 Sound (id: f1f6c6ec6)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 IB物理学

[填空题]
A stereo amplifier is rated at 1 4t;9r bzeadf*my;wqyf; q *3k 5.uvgf50 W output at 1000 Hz. The power output drops by 10 wmg ;3yvu. 5yfqf;kq*dB at 15 kHz. What is the power output in watts at 15 kHz?    dB

参考答案: 15±2%


本题详细解析:

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