Question

The distance between a sound source and a listener is decreased to half the initial distance. What is the change in the amplitude of the sound heard?
It decreases by half the initial amplitude.
It increases by four times the initial amplitude.
It decreases to one fourth the initial amplitude.
It increases by two times the initial amplitude
@primeralph

Answer 1

It goes by 1/d^2.

Answer 2

so is it the last one ? "Increases by two times the initial amplitude"? @primeralph

Answer 3

So the farther away you move from something, the louder it gets?