PHL235H5 Lecture Notes - Soundness

Mantle material rises in convection currents because heated materials become denser.

truth or false

Which of the following is a false statement?

a) sound waves are longitudinal pressure waves
b) "Pitch" (in music) and frequency have approximately the samemeaning
c) Sound can travel through a vacuum
d) Light travels very much faster than sound
e) the transverse waves on a vibrating string are different fromsound waves

Which of the following properties of sound is the most similar to the brightness of the light?

a) pitch
b) loudness
c) purity
d) timbre