Loudness of sound from an isotropic point source at a distace of 70cm is 20dB. What is the distance (in m) at which it is not heard.
Answers
Answered by
0
Answer:
7m
Explanation:
PLEASE REFER THE IMAGE!!!!
HOPE IT HELPS YOU ☺️!!!!
PLEASE MARK ME AS BRAINLIEST!!
Attachments:
![](https://hi-static.z-dn.net/files/dad/b90a8c42a9b18dcb34c4c24c913c1fbe.jpg)
Similar questions