131k views
4 votes
What is loudness?

a)the frequency of a sound wave
b)the rate at which a wave’s energy flows through a given area
c)the amplitude of a sound wave
d)the physical response to the intensity of sound, modified by physical factors

User Lweller
by
6.1k points

2 Answers

3 votes

D is right but c fits as well

User Jack Avante
by
6.0k points
3 votes
D is the best answer.  C is somewhat true, increasing the amplitude of a wave will make it louder, but loudness depends on the listener.  To a person hard of hearing, a given amplitude will sound quieter than for a normal hearing person.
User Craig Buchek
by
6.0k points