Question

On increasing the distance between the source of sound and the observer thrice, the intensity of sound becomes

Answer 1

loudness of the sound becomes 9 times. i.e it increases ... increased. 3)the distance between the source and the listener is doubled :.

Answer 2

Explanation:

on the way of increasing distance between the source of sound and the observer crys then the intensity of sound becomes alkali metals are exceptions these metals can be easily cut with boiling point