ECE Board Exam March 1996
One hundred twenty µbars of pressure variation is equal to
A. 120 dBSPL
B. 115.56 dBSPL
C. 41.58 dBSPL
D. 57.78 dBSPL
One hundred twenty µbars of pressure variation is equal to
A. 120 dBSPL
B. 115.56 dBSPL
C. 41.58 dBSPL
D. 57.78 dBSPL