Question

Which of the following is the correct definition of acoustic energy?
A. energy resulting from the flow of charge particles, such as electrons or ions
B. energy of an object due to the random motion of its atoms and molecules
C. energy an object has because of its motion or position
D. energy transmitted as sound waves

Answer 1

I think it's D

Answer 2

D

Answer 3

http://physics.tutorvista.com/waves/acoustic.html

Answer 4

Thank you!