sound

Sound [] [] [] []

inner ear how to hear when we make sound or talks it sends vibrations, or sound waves, through the air than the vibrations hit your eardrum and the brain interprets it so that we could hear things

the speed of sound


 * ~ Temperature ||~ Speed of sound ||
 * = −25 || 315.8 ||
 * = −20 || 318.9 ||
 * = −15 || 322.1 ||
 * = −10 || 325.2 ||
 * = −5 || 328.3 ||
 * = 0 || 331.3 ||
 * = +5 || 334.3 ||
 * = +10 || 337.3 ||
 * = +15 || 340.3 ||
 * = +20 || 343.2 ||
 * = +25 || 346.1 ||
 * = +30 || 349.0 ||
 * = +35 || 351.9 ||
 * = +35 || 351.9 ||

doppler effect change in the apparent frequency of a wave as observer and source move toward or away from each othe

wavelength

When the sound is low the lenght is wide apart When the sound is high the length is not wide.

amplitude