College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 17, Problem 57PE
What are the closest frequencies to 500 Hz that an average person can clearly distinguish as being different in frequency from 500 Hz? The sounds are not present simultaneously.
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Chapter 17 Solutions
College Physics
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Ch. 17 - Why can a hearing test show that your threshold of...Ch. 17 - If audible sound follows a rule of thumb similar...Ch. 17 - Elephants and whales are known to use infrasound...Ch. 17 - It is more difficult to obtain a high—resolution...Ch. 17 - Suppose you read mat 210dB ultrasound is being...Ch. 17 - When poked by a spear, an operatic soprano lets...Ch. 17 - What frequency sound has a 0.10m wavelength when...Ch. 17 - Calculate the speed of sound on a day when a 1500...Ch. 17 - (a) What is the speed of sound in a medium where a...Ch. 17 - Show mat the speed of sound in 20.0°C air is 343...Ch. 17 - Air temperature in the Sahara Desert can reach...Ch. 17 - Dolphins make sounds in air and water. 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The...Ch. 17 - What is the minimum speed at which a source must...Ch. 17 - A “showy" custom—built car has two brass horns...Ch. 17 - What beat frequencies will be present: (a) If the...Ch. 17 - What beat frequencies result if a piano hammer...Ch. 17 - A piano tuner hears a heat every 2.00 s when...Ch. 17 - (a) What is the fundamental frequency of a...Ch. 17 - If a wind instrument, such as a tuba, has a...Ch. 17 - What are the first three overtones of a bassoon...Ch. 17 - How long must a fiute be in order to have a...Ch. 17 - What length should an oboe have to produce a...Ch. 17 - What is the length of a tube that has a...Ch. 17 - (a) Find the length of an organ pipe closed at one...Ch. 17 - By what fraction will the frequencies produced by...Ch. 17 - The ear canal resonates like a tube closed at one...Ch. 17 - Calculate the first overtone in an ear canal,...Ch. 17 - A crude approximation at voice production is to...Ch. 17 - (a) Students in a physics lab are asked to find...Ch. 17 - What frequencies will a 1.80-m—long tube produce...Ch. 17 - The factor of 1012 in the range of intensities to...Ch. 17 - The frequencies to which the ear responds vary by...Ch. 17 - What are the closest frequencies to 500 Hz that an...Ch. 17 - Can the average person tell that a 2002-Hz sound...Ch. 17 - If your radio is producing an average sound...Ch. 17 - Can you tell that your roommate turned up the...Ch. 17 - Based on the graph in Figure 17.36, what is the...Ch. 17 - What sound intensity levels must sounds of...Ch. 17 - What is me approximate sound intensity level in...Ch. 17 - (a) What are the loudnesses in phons of sounds...Ch. 17 - Suppose a person has a 50—UB hearing loss at all...Ch. 17 - If a woman needs an amplification of 5.01012 times...Ch. 17 - (a) What is the intensity in watts per meter...Ch. 17 - (a) Find the intensity in watts per meter squared...Ch. 17 - A person has a hearing threshold 10 dB above...Ch. 17 - A child has a hearing loss of 60 dB near 5000 Hz,...Ch. 17 - What is the ratio of intensi?es of two sounds of...Ch. 17 - What is the sound intensity level in decibels of...Ch. 17 - Is 155—dB ultrasound in the range at intensities...Ch. 17 - Find the sound intensity level in decibels of...Ch. 17 - The time delay between transmission and the...Ch. 17 - In the clinical use of ultrasound, transducers are...Ch. 17 - (a) Calculate the minimum frequency of ultrasound...Ch. 17 - (a) Find the size of the smallest detail...Ch. 17 - (a) Echo times are measured by diagnostic...Ch. 17 - (a) How far apart are two layers of tissue that...Ch. 17 - (a) A bat uses ultrasound to find its way among...Ch. 17 - A dolphin is able to tell in the dark that the...Ch. 17 - A diagnostic ultrasound echo is re?ected from...Ch. 17 - Ultrasound reflected from an oncoming bloodstream...
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