Show that the difference between decibel levels b1 andb2 of a sound is related to the ratio of the distances r1and r2 from the sound source byb2 2 b1 5 20 log ar1r2b
PH 1120 - Electric Fields & Field Lines Lab Report Equations are useful and often the only solution to a full explanation to a question in a Lab Report. Name: Jordan Counsel; Partner: Katherine Section:F1; Date: 11/2/2016 1. You have 3 point charges in your region of interest: +5 nC, –6 nC, and +10 nC. Specify the number of lines you would associate with each charge, and specify whether they originate at or terminate at each respective charge. Charge (nC) Number of Field lines Direction +5 25 Originating -6 30 Terminating +10 50 Originating Multiplying by a