InterviewSolution
Saved Bookmarks
| 1. |
The intensity level 1 m away from a point source is 40 dB. Threshold intensity of hearing is 10−12 W/m2. If there is no loss of power in air, then intensity level at 10 m from the source is |
|
Answer» The intensity level 1 m away from a point source is 40 dB. Threshold intensity of hearing is 10−12 W/m2. If there is no loss of power in air, then intensity level at 10 m from the source is |
|