Purchase Solution

Sound intensity for an adult ear

Not what you're looking for?

Ask Custom Question

A typical adult ear has a surface area of about 1.9 10-3 m2. The sound intensity during a normal conversation is about 3.6 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?

Purchase this Solution
Purchase this Solution
Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

View More Free Quizzes
Related BrainMass Solutions

  • Sound intensity inside a busy restaurant: How much energy?

    Note that the factor of 2 in division comes for each ear. (1 hour = 3600 seconds) Energy = Power*Time The average sound intensity inside a busy restaurant is 3.2 x 10-5 W/m2.

  • Child Screaming

    . ----------------------------------------- The solution provides the calculation for sound intensity and an analysis for the damaging levels of sound.

  • Formula for Measuring Sound and Loudness

    64097 Formula for Measuring Sound and Loudness The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear. How is sound measured?

  • Environmental Air Quality

    Weighting scales are different sensitivity scales for intensity and frequency of a sound. Weighting scale A for frequency sensitivity of human ear at low levels and measured as dBA.

  • Formula for Measuring Sound and the Loudness of Sound

    86921 Formula for Measuring Sound and the Loudness of Sound The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear.

  • Logarithmic scale and sound

    87128 Logarithmic scale and sound The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to ( a ratio of) the weakest sound the ear can hear. A. The formula for measuring sound. B.

  • Polynomial functions, inverses, half-life, investments

    sound the human ear can hear.

  • Physics

    Jet aircraft mechanics wearing ear protectors are able to converse with each other because the ear protectors block out the sound of the jet engine. What physics concept would account for this? 6.

  • Loudness of Sound

    131897 Loudness of Sound The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear. Research how sound is measured.

View More Related Solutions