1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Intensity of sounds - Hearing Aid

  1. May 17, 2006 #1
    A person wears a hearing aid, which makes a sounds louder by 50 dB. This a) means the sound intensity is increased by 100,000 times.
    b) This also means that the amplitude of the soundwave is increased by ______ times?

    I know Intensity is portportinal to (Amplitude)^2... so does that mean I squareroot the 100,000 times of the intensity to find part b?
  2. jcsd
  3. May 17, 2006 #2


    User Avatar
    Homework Helper

    Yes. Correct.
  4. May 17, 2006 #3


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member


    - Warren
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook