Sentences with pascal
pas·cal
P p - Because the human ear perceives pressure changes logarithmically over a large range, the sound pressure level is measured in pascals and converted to decibels.The standard way to rate microphone sensitivity is to apply a 1 kHz sound source equal to one pascal and then measure the output level and express it in mV/PA.A pascal is a unit of pressure, where one pascal is equal to the force of one newton exerted on one square meter.
- This word is named for Blaise Pascal (1623-62), the French mathematician and physicist.