641PhysicsMedium
Sound waves do not travel in vacuum because ___________________?
Athey are stationary waves
Bthey do not have enough energy
Cthey are transverse waves
Dthey require material medium for propagation
Correct answer
D. they require material medium for propagation
Explanation
they require material medium for propagation is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.