CBSE Class 8 Answered
to increase loudness of sound by four times by how much should the amplitude of vibration be changed
Asked by Sanskriti | 04 Jan, 2016, 10:23: AM
Expert Answer
Hi Sanskriti Bisaria,
The relation between the loudness or intensity of sound and amplitude in air is given as
where, k is a constant.
If the loudness of sound is increased by four times then the amplitude must be doubled.
That is,L' = k(2A)2
Answered by | 04 Jan, 2016, 06:11: PM
CBSE 8 - Physics
Asked by dhaiwatrj | 09 Mar, 2016, 06:56: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by Adwait | 03 Mar, 2016, 06:53: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by shrinilassp | 02 Mar, 2016, 06:05: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by shrinilassp | 01 Mar, 2016, 06:44: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by Himanshimittal | 13 Jan, 2016, 06:11: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
to increase loudness of sound by four times by how much should the amplitude of vibration be changed
Asked by Sanskriti | 04 Jan, 2016, 10:23: AM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by archanajnk | 01 Jan, 2015, 07:33: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by Kapil | 05 Oct, 2015, 06:14: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by Kapil | 30 Sep, 2015, 06:39: PM
ANSWERED BY EXPERT
CBSE 8 - Physics
Asked by Kapil | 30 Sep, 2015, 06:14: PM
ANSWERED BY EXPERT