If an adjustment raises the sound on your television by 7 decibels, how is the relative intensity of the sound affected? Round your answer to one decimal place. The relative intensity is multiplied by

Q: What is the angular frequency of the sound produced by a music box with a period of 5 ms?

A: Given value--- time period = 5 ms. We have to find--- frequency ?

Q: If the distance from a source of sound increases by I meter, the sound level is decreased by 2 dB.…

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Q: In a transverse wave, crest is a point on the wave where the ______________________.

A: A transverse wave contains both crests and troughs.

Q: A reading of 94 dB is obtained on a sound meter placed near a drill. Calculate the intensity of the…

A: intensity in dB=20log10(I) where I is actual intensity for the given problem 94dB=20log10(I)…

Q: Suppose the purr of a cat has a sound intensity that is 240 times greater than the threshold level.…

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Q: if the intensities of two sounds are 6.4*10-1 W/m2 and 2.7*10-3 W/m2, what are their decibel levels.…

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Q: The longer the sound waves are, the ______________ (lower/higher) theirfrequency is and the…

A: If the sound waves are longer, then their frequency will be lower.

Q: The intensity of sound at a (A) 100 dB

A: GivenThe intensity of sound at a rock concert, I=10-1 W/m2

Q: An outside loudspeaker emits sound waves with a power output of 100 W. Calculate the intensity level…

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Q: If the sound level of one barking dog is 70 dB, estimate the sound level of 76 dogs barking…

A: Given: Sound level of one dog is 70 dB

Q: The intensity level of fruit fly is about 39 dB. About how many fruit flies will produce an…

A: The intensity of a fruit fly is I = 39 dB. let n be the no of fruit flies that is required to…

Q: The intensity level of a sound coming from a certain TV is 80 dB, while from a vacuum cleaner is 85…

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Q: Calculate the frequency of the first overtone of a 2 m pipe closed at one end. Take the speed of…

A: Given: The speed of the sound is 340 m/s. The length of the one-end closed pipe is 2 m.

Q: The decibel level 3 m from a source of sound is 105 dB? What is the decibel level 9 m from the…

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Q: Suppose the purr of a cat has a sound intensity that is 370 times areater than the threshold level.…

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Q: The cabin noise level of the new Boeing 787 "Dreamliner" may be about 6 decibels lower than that of…

A: The objective of the question is to find out the factor by which the noise intensity decreases when…

Q: The sound in the United Center during a Chicago Bulls basketball game in 1998 was seven times as…

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Q: At a distance of 13m from the point source the intensity is 80 dBm. At what distance from the source…

A: Intensity α1distance2 (given) I1 =80 dBr1=13 mI2 =40 dB Intensity due to point source varies with…

Q: Verify the values given in the textbook for the wavelengths (in air) of the lowest and highest…

A: Speed of the sound is related to frequency and wavelength as V=fλ

Q: A new jackhammer has a 1/100 reduction in sound intensity level from that of the older model, which…

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Q: The noise a   lawn mower produces is  80 dB. How much noise is from 2 identical lawn mowers?

A: Given: β1=80 dB

Q: What is the speed of sound in air at a temperature of 212°F?

A: Given that,Temperature : T = 212°FHere we need to find the speed of the sound at temperature T :As…

Q: A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the…

A: Given :- n=500 hz, d=450m Introduction:- The time interval between two successive compressions is…

Q: Show that the difference in decibel levels ß, and B, of a sound source is related to the ratio of…

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Q: sound level measured in a room by a person watching a movie on a home theater system varies from…

A: Loudness of sound increase 10 times in increase of 10dB.

Q: The speed of sound in steel is 15 times greater than that in air. If the frequency of a wave in the…

A: Speed of sound in air = 343 m/s Speed of sound in steel = 15 * 343  = 5145 m/s Frequency of wave =…

Q: If 7e6 is the sound intensity of 7 trumpets at 10m away, what is the  the decibel level of the 7…

A: Sound is basically a vibration that travels through a medium: solid, liquid, or gas. Sound waves are…

Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…

A: Introduction: The loudness of the sound is measured in decibel, and it is directly proportional to…

Q: What is the fundamental frequency of a musical instrument if the frequency of the 7th overtone is…

A: For open end instrument , The frequency of mth vibration is given by the formula  nm = mv/(2l) where…

Q: Describe how you would calculate the wavelengths of sounds at the extremes of the audible range, 20…

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Q: If a sound is perceived as being 8x louder than a 33 dB sound. What is the decibel level of the…

A: Given:If a sound is perceived as being 8x louder than a 33 dB sound.Find the decibel level of the…

Q: The decibel level of a single race car is 70 dB. What would the dB level be if 100 identical cars…

A: Decibel level can be written as B = 10 log10(I/I0) Where I is intensity of sound and I0 is reference…

Q: What is the wavelength in air at 22° C of a 440 Hz sound?

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Q: The sound coming from 25 W spherical speaker has a decibel level of 90 dB. How far away is the…

A: Given quantities: power of the speaker (P) = 25 W sound level (β) = 90 dB   Let, the intensity of…

Q: If the sound level of one barking dog is 40 dB, estimate the sound level of 2 dogs barking…

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Q: What is the spced of sound in air when the air temperature is 31°C?

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Q: The intensity of sound wave A is 100 times that of sound wave B. Relative to wave B the sound level…

A: Intensity of A = 100(Intensity of B)Relative to wave B the sound level of wave A is to be…

Q: percentage reduction is this intensity

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Q: Given four machines producing 60 dB, 51dB, 50 dB, and 49 dB respectively, what is  the total sound…

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Q: according to the barometric measurements, the sound has a decibel level of 180 dB at a distance of…

A: The ratio of the sound intensity in the island is The formula for the difference in decibel levels…