physics

posted by .

What sound intensity level in dB is produced by earphones that create an intensity of 4.00¡¿10^-2 W/m^2?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    This time I have two questions: #1.A recording engineer works in a soundproofed room that is 49.7 dB quieter than the outside. If the sound intensity in the room is 2.66 x 10-10 W/m2, what is the intensity outside?
  2. physics - sound level

    The source of a sound wave has a power of 2.50 µW. Assume it is a point source. (a) What is the intensity 6.70 m away?
  3. Physics

    The intensity due to a number of indipendent 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?
  4. Physics

    1. What is the intensity of a sound at the pain level of 120 dB?
  5. physics

    1.) The average sound intensity inside a busy neighborhood restaurant is 3.*10^-5 W/M^2. How much energy goes into each ear (area = 2.1 * 10^-2 m^2) during a one hour meal?
  6. physics

    A bell is rung at a sound intensity of 70dB . A trumpet is blown at an intensity that is greater by a factor of 10^3. What is the intensity level of the trumpet
  7. Physics(Please help)

    The intensity (in W/m2) of one sound is 4.83 times as great as the intensity of another sound. Relative to the quieter sound, what is the intensity level â of the louder sound?
  8. Math

    Formula given: The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the power of 12) where I is the intensity of sound in watts per square metre. a) Find the number of decibels of …
  9. Grade 12 Math Please help!!

    Please can anyone answer this which I have posted previously?
  10. physics

    the intensity level of a sound A is5dB greater than that of sound B and 3dB less than that of C. determine the ratio (Ic/Ib) of the intensity of sound C to that of sound B.

More Similar Questions