Question

If the amplitude becomes twice, the loudness increases by a factor of
a. 8
b. 4
c. 6
d. 10
​

Answer 1

Answer:

If the amplitude becomes twice, the loudness increases by a factor of 4 ..

Option B is correct...

Answer 2

Answer:

amplitude of the wave.

That is, loudness∝(amplitude)

2

Thus, when amplitude of the wave is doubled, the loudness becomes four times

Explanation:

the correct option is b

hope it is helpful