Intensity of sound

Related BrainMass Solutions

• Sound Intensity Relations

  43138 Sound Intensity Relations Sound 1 has an intensity of 380.0 W/m^2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 2? See attachment for solution please.

• Physics Decibels: ratio of final sound intensity after amplifier increases level

  What is the ratio of the final sound intensity to the original sound intensity? Ratio of the final sound intensiry to the original sound intensity = 61/23 = 2.65 In a single sentence, the response shows the calculation for the answer.

• Physics: Calculate the sound level of a brass band given intensity.

  6310 Calculate the sound level of a brass band given intensity. If the sound intensity of a brass band is 2.5x10^-2 W/m^2, what is the sound level of the band?

• Sound: Loudness and Intensity

  The loudness of the sound heard by a person is varies with intensity of sound at that point but not uniformly. The loudness is proportional to logarithm of the intensity of sound.

• Sound Intensity from jet engine; first harmonic frequency

  Problem #3 Quantitatively explain why the speed of sound in He about thrice the speed of sound in air. Problem #4 First harmonic frequency of a Harp string is 164.8 Hz. What are its frequencies of second and third harmonics?

• What is the intensity of sound at a given point?

  39744 What is the intensity of sound at a given point? The intensity of sound at a given point is measured to be 0.0005 W/m^2. What is the decibel level of the sound?

• Formula for Measuring Sound and Loudness

  Sound intensity may be expressed in decibels above the standard threshold of hearing.

• Find noise from a helicopter rotor

  Given W = 70 watts, the intensity at r = 120 m is . Thus, the intensity level of the sound at r = 120 m in dB is (b) If the intensity level of the sound is 60 dB, r = ?

• Physics: Finding the distance from the source at a particular sound intensity.

  The intensity of the sound is 2.0 *10^-6 W/m^2 at a distance of 120 m from the explosion. Find the distance from the source at which the intensity is 0.80 *10^-6 W/m^2.

• Microphone in Ocean Sound Wave Absorption

  Required intensity of sound (I) = 10.7 dB
  Available power = 0.0491W
  
  Let us say that the purpoise is at a distance 'x' such that it emits sound which produces the required intensity.