23. From a point source at a distance (r) the intensity of sound heard – InterviewSolution

1.	23. From a point source at a distance (r) the intensity of sound heard isL1dB whereas at a distance (3r) the intensity is L2dB; then correct option is 1)L1-L2=9.6dB. 2)L1/L2=9. 3)L1-L2=4.48dB. 4)L1/L2=3
Answer» 23. From a point source at a distance (r) the intensity of sound heard isL1dB whereas at a distance (3r) the intensity is L2dB; then correct option is 1)L1-L2=9.6dB. 2)L1/L2=9. 3)L1-L2=4.48dB. 4)L1/L2=3

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