Question

when sound travel through air, the air particles ___________
a . vibrate perpendicular to the the direction of wave propagation
b. vibrate along the direction of wave propagation
c. vibrate but not in any
fixed direction
d. do not vibrate
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Answer 1

Answer:

b. vibrate along the direction of wave propagation

Answer 2

Answer:

option is (a) correct answer of the above question

vibrate perpendicular to the direction of wave propogation

Explanation:

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