13.1.4 Quiz: Mechanical Waves
Question 1 of 5
A student blows a whistle. In which direction do the air particles vibrate with
respect to the direction the sound wave travels?
A. Paralle
B. At an unpredictable angle
◇ C. At a 45° angle to
â—‡ D. Perpendicular to
SUBMIT



Answer :

Other Questions