Concept explainers
The operating frequency of brand X.
Answer to Problem 41P
Explanation of Solution
Given:
Whistle frequency ( fw ) = 23.5 kHz,
Shrill wine frequency ( fS )= 5000 Hz. = 5 kHz
Formula used:
Calculation:
The two whistles are played simultaneously, the beats can be heard and the beat frequency is the difference between the given frequencies of whistle and shrill whine.
The operating frequency of brand X should be more than the 23.5 kHz to hear the sound. Therefore, it should be (23.5+5) = 28.5 kHz.
Conclusion:
The operating frequency of brand X is 28.5 kHz. So, the human can hear the sound.
Chapter 12 Solutions
Physics: Principles with Applications
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