The intensity due to a number of independent sound sources is the sum of the individual intensities. (a) When four quadruplets cry simultaneously, how many decibels greater is the sound intensity level than when a single one cries? (b) To increase the sound intensity level again by the same number of decibels as in part (a), how many more crying babies are required?

Q: quiet home has a sound intensity of approximately 1.0 x 10-9 W/m2. When my french bulldog, Grey, and…

A: Answer              40 dB

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

A:

Q: The sound generated by a loudspeaker located in a certain avenue, develops a power of 1mW; If this…

A: The solution is given below

Q: A typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum cleaner is approximately…

A: Given, sound level for a buzzing mosquito=35dB sound level for vacuum cleaner=65dB

Q: Your teacher speaks with a sound intensity of 1.5×10−71.5×10−7 W/m2. What is the intensity level in…

A:

Q: You hear a sound of (4.5x10^1) decibels. What is the intensity? Give your answer in microwatts/m2 to…

A: according to company guideline we need to solve only first question. if you want to answered any…

Q: At a distance of 5 m next to the road, the sound level produced by traffic is measured to be 85 dB.…

A:

Q: A quiet home has a sound intensity of approximately 1.0 x 10-9 W/m2. When my french bulldog, Grey,…

A:

Q: When one person was talking in a small room, the sound intensity level is 57 dB everywhere within…

A: Intensity of one person = I Intensity level = 10*log(I/Io) = 57 Io = threshold intensity = 10^-12…

Q: There are 4 identical dogs barking with identical sound intensity levels of 92 dB as measured by a…

A:

Q: A brand of earplugs reduces the sound intensity level by 27 dB. By what factor do these earplugs…

A:

Q: Scientists have found that the long slow moan produced by blue whales is almost consistently a B…

A: Given Information:- Frequency of the pitch is n=16.0 Hz Wavelength of the note is λ=97.5 m Distance…

Q: The African cicada is the world’s loudest insect, producing a sound intensity level of 107 dB at a…

A:

Q: (a) How much more intense is a sound that has a level 17.0 dB higher than another? (b) If one sound…

A: The Decibel intensity is,  dB=10logI0 Substitute the given value of dB to find the intensity as,…

Q: A cicada's mating call reaches 105 dB at a distance of 1.00 m from the insect. Calculate the decibel…

A: Here, for the intensity calculation we use the formula, I (dB) = 10 log[I/Io] Corresponding sound…

Q: When one person was talking in a small room, the sound intensity level is 49 dB everywhere within…

A:

Q: But suppose the distance increases by the factor 4.3. (A) Now what is the change in sound intensity?…

A: Given, the distance increases by a factor 4.3, let the initial distance be r1 and the new distance…

Q: A certain sound source is increased in sound level by 32 dB. By what multiple is (a) its intensity…

A: The increase in sound level is given by ∆β = 10 log10I2I1, where ∆β = β2-β1 = difference in sound…

Q: If a single person in the stands of a stadium shouts, the sound intensity level at the centre of the…

A:

Q: A crying child emits sound with an intensity of 8.0 * 10-6 W>m2.Find (a) the intensity level in…

A: The sound intensity of the child is given as 8 x 10-6 W/m2.a)The child’s sound intensity can be…

Q: sound

A: The sound energy is transmitted in the medium through vibrations. The amplitude of a wave is…

Q: At close proximity, rustling leaves have a sound intensity of about 1.2×10-11 W per m2. At what…

A: Given:  I1 = 1.2 x 10-11 W/m2  I2 = 1 x 10-12 W/m2 r1 = 1 m

Q: Suppose a sound has intensity I that is 100,000 times greater than the intensity of the quietest…

A:

Q: The source of a sound wave has a power of 3.99 µW. If it is a point source, (a) what is the…

A:

Q: A bat can detect small objects that are roughly the same size as the wavelength of the sound they…

A: Given data: Frequency (f) = 60 kHz Speed (v) = 330 m/s Required: Wavelength (λ)

Q: 4. (a) What is the sound intensity for a sound source with a sound intensity level (IL) of 120 dB?…

A: Part A. Intensity level = Say intensity of sound is I. The relation between the intensity level and…

Q: The sound intensity level at a certain location is 32 dB (like during a quiet test time). What is…

A: Sound intensity level at a certain location is Note:Threshold intensity is Find:Sound intensity at…

Q: Two sirens produce sound of intensities 5 x 10-9 W/m2 and 9 x 10-6 W/m2 respectively. By how many…

A: Given data: Intensity of sound by first siren is, I1=5×10-9 W/m2. Intensity of sound by second siren…

Q: By how many decibels does the intensity level of a sound increase when you increase the the…

A: increase in intensity of sound = 2.97 times I' = 2.97 I

Q: same time

A:

Q: You like to listen to music at a sound intensity of 3.3×10−53.3×10−5 W/m2. What is the intensity…

A: Given: The intensity of the sound is 3.3x10-5 W/m2. The intensity of sound for threshold hearing is…

Q: Unless otherwise indicated, for this problem , assume that the speed of sound through human tissues…

A:

Q: The cruising sound level in the cabin of a particular jet airliner is 60 dB, but the cabin sound…

A: The intensity of cruising sound level, The intensity of cabin sound level at take-off,

Q: A single sound source, measured at a particular point, produces a sound pressure level of 40.1…

A:

Q: When one person shouts at a football game, the sound intensity level at the center of the field is…

A: The decibel intensity level of a sound can be given as, β=10logII0 Here, I denotes the sound…

Q: f a sound that has a level 3.00 dB lower than a 3.33 ✕ 10−9 W/m2 sound? (b)

A: Givenβ=3 dB

Q: On a workday, the average decibel level of a busy street is 70 dB, with 100 cars passing a given…

A:

Q: What is the ratio in intensity of two sounds, one of which is 18 dB louder than the other? 45 0 5 50…

A: