55. If a sound is 30 dB and its absolute pressure was 66 x 10° Pa, what must have been the reference pressure? 56. What

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55 If A Sound Is 30 Db And Its Absolute Pressure Was 66 X 10 Pa What Must Have Been The Reference Pressure 56 What 1 (84.25 KiB) Viewed 30 times

55. If a sound is 30 dB and its absolute pressure was 66 x 10° Pa, what must have been the reference pressure? 56. What happens to the # dB IL of a sound when you double its intensity? It increases by how many dB IL? 57. What happens to the # dB IL of a sound when you increase its intensity by a factor of 10? It increases by how many dB IL? 58. What happens to the # dB IL of a sound when you cut its intensity in half? It decreases by how many dB IL? 59. What happens to the # dB SPL of a sound when you double its pressure? It increases by how many dB SPL? 60. What happens to the # dB SPL of a sound when you increase its pressure by a factor of 10? It increases by how many dB SPL? €