Can you tell that your roommate turned up the sound on the TV if its average sound intensity level goes from 70 to 73 dB?

Name: Can you tell that your roommate turned up the sound on the TV if its… | College Physics Answers
Uploaded: 2020-06-12T18:38:56.000Z
Duration: 23 s
Description: Can you tell that your roommate turned up the sound on the TV if its average sound intensity level goes from 70 to 73 dB?

Question by OpenStax is licensed under CC BY 4.0

Final Answer

Yes, it's possible to tell the volume was turned up since the sound level difference of 3 dB is easily perceptible.

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Video Transcript

This is College Physics Answers with Shaun Dychko. The difference in these two sound levels is 73 decibels minus 70 decibels which is 3 decibels and the textbook tells us that a sound level difference of 3 decibels is easily noticed. 1 is barely noticeable and 3 decibel is easily noticeable.

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