Which statements about traveling waves are TRUE? Choose all that apply.
a) A traveling wave transfers energy from one point to another.
b) A speaker that beams its sound forward into a small area produces a louder sound.
c) The rate at which a wave transfers energy is defined as the power, with units J/s.
d) The rate at which a wave transfers energy is defined as the power, with units J.
e) At an intensity level of 0 dB there is NO sound.
I know d and e are not correct for sure. Thank you for your help!
2 answers
you are correct, a,b,c are true
A C
1 answer