L = 10 log (7) where I is the intensity of sound in watts per square metre 10-¹2 W/m². Determine the intensity of a baby screaming if the noise leve- Recall that (W/m²) and Io is 100 dB. =

Q: A noise level meter reads the sound level at the emergency ward to be 85 dB. What is  sound…

A:

Q: The wavelength of sound emitted by a source is 1.2m. Calculate the frequency of this sound if its…

A:

Q: The area of a typical eardrum is about 5.0 x 10 m2 (a) Calculate the sound power (the energy per…

A: We have to use some basic formula here

Q: The area of a typical eardrum is about 5.0 x 10-5 m2. Calculate the sound power (the energy per…

A: (a)Formula to calculate the power incident on the eardrum is,

Q: Sound waves of frequency v =1 kHz travel along a l=3 m length of aluminium in a time of t = %3D 0.6…

A: Given: Frequency of sound waves ν=1 kHz Length of aluminum l = 3 m. Time t = 0.6 ms.

Q: Crickets produce a musical chirping sound at a frequency around 10,000 Hz (very high pitched)! The…

A: Answer :-  Given   Frequency of sound (f) = 10000 Hz  Wavelength (λ) = 0.03 m  Speed of sound  = V…

Q: A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call.…

A: We will answer the question using relation connecting speed of a wave to its frequency and…

Q: The table gives an estimate for the sound intensity of a whisper at 1.0 m. What is the sound…

A:

Q: he frequency of the middle A note on a piano is 440.00 Hz. What is the wavelength of this note in…

A: Given: The frequency of the wave is 440 Hz. The speed of the wave is 343.06 m/s.

Q: At one atmospheric pressure and at a temperature of 0°C, the speed of sound in air is 33,145 cm/s.…

A: Given data T1=273 KV1=331.45 m/sT2=-62°F=221 K Here, T represents the temperature of the gas. While…

Q: For a bathroom that is 6 m long x 3 m wide x 2.5 m high, calculate the frequency of Room Mode 1 0 0…

A: Given data: Dimensions of the bathroom: 6 m×3 m×2.5 m Mode: 1 0 0 Find out: The frequency of Room…

Q: A sound has an intensity level of 118 dB. What is the physical sound intensity in watts/m2?

A:

Q: A sound wave is travelling in air has a frequency of 730 Hz, What is the wavelength of the wave in…

A: Given Frequency = 730 Hz Temperature = 350F = 1.660C

Q: The area of a typical eardrum is about 5.0 × 10–5m2 . Calculate the sound power (the energy per…

A: It is given that,

Q: A small reverberation chamber 8ftx9ft x10ft is employed to measure effective sound absorption…

A: Given data :L=8 ftW=9 ftH=10 ftt=5 sec or 1 secThe surface used to cover part s=40 ft2

Q: bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength…

A:

Q: The level of sound D in decibels is defined as follows: D = 10 log (10 16 ) 10-16 where I is the…

A:

Q: Fifty metres from an alarm the sound level is 103 dB. To what sound intensity does this correspond…

A: Given, Loudness,

Q: a noise level meter reads the sound level in a room to be 85 dB. What is the intensity of sound in…

A: Given sound level 85dB We know sound level in dB is  dB=10log( I/I0) where l is intensity of sound…

Q: The sound intensity level of a device is 2.00×10−2 W/m2. Convert this sound intensity level to…

A: Intensity of the sound level is I = 2.00×10−2 W/m2

Q: A bat can detect small objects, such as an insect, whose size is approximately equal to one…

A: Given data:  Frequency (f) = 5.89×104 Hz Speed of sound (v) = 343 m/s

Q: A swarm of 10,000 locusts causes a sound of intensity level 75 dB. Calculate the intensity level…

A: Write the expression for the intensity level and substitute the required values to determine the…

Q: Q:A- Calculate the sound level in dB of a sound intensity 10-8 Wm-2

A:

Q: A vacuum cleaner produces sound with a measured sound level of 70.0 dB. (a) What is the intensity of…

A: A vacuum cleaner produces sound with a measured sound level of 70.0 dB. (a) What is the intensity of…

Q: A creature can detect very small objects, such as an insect whose length is approximately equal to…

A: frequency f = 65 KHz  = 65*103 Hzspeed v = 340 m/s

Q: The loudness, L, of a sound (measured in decibels, dB) is inversely proportional to the square of…

A: Given data: d1 = 14 feet L1 = 75 decibels d2 = 46 feet Need to determine the loudness of the jetski…

Q: A noise has an intensity of 2.4×10-8 W/m2. If the threshold of human hearing is I0 = 1.0×10-12 W/m2,…

A: Given data: Intensity (I) = 2.4 ×10-8 W/m2 Threshold hearing (I0) = 1.0×10-12 W/m2 Required: The…

Q: On the decibel scale, the loudness of a sound, D, in decibels, is given by D = 10 log (I/I0) , where…

A: Introduction - Sound's loudness is measured in terms of decibels that depends on intensity of…

Q: At one atmospheric pressure and at a temperature of 0°C, the speed of sound in air is 33,145 cm/s.…

A:

Q: What is the speed of sound in substance X if a note produced at 440Hz has a wavelength of 14.8 m?

A: The objective of this question is to calculate the speed of sound in a substance given the frequency…

Q: Sound level B in decibels is defined as B = 10 log () = 1 x 10-12 W/m². The decibel where Io scale…

A: The sound level of intensity is related to the sound decibel in the following form:…