Question

A student rests his right ear against his desk while a teacher taps lightly on the desk. the student can hear the tapping sound only through his right ear. when he lifts his head away from the desk he hears nothing.
what is the medium of the sound waves the student hears?
a. the air
b. the desk
c. the teacher
d. the student

Answer 1

Answer:

the desk is the answer because the sound wave is propagating through the solid bench.