Types of sound wave — task. Science CBSE Homework Assignments, Class 9.

1. The sound waves in a medium are characterised by the:

linear motion of particles in the medium
rotatory motion of particles in the medium
oscillatory motion of particles in the medium
none of the above

2. The sound waves which travel in the air are called:

transverse waves
longitudinal waves
polarised waves
none of the above

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