Question

Which best represents the motion of air particles as a sound wave passes through them?



A.
A

B.
B

C.
C

D.
D

Answer 1

Since a sound wave is a longitudinal wave, every particle moves perpendicular to the direction of the wave and eventually returns to it's place, so answer B (where the particle goes up and then down) is the correct one.

Answer 2

Can you help with a few more? @ELB27

Answer 3

I can try

Answer 4

Which represents a type of electromagnetic wave?

A.
slinky wave

B.
jump rope wave

C.
ocean wave

D.
shortwave radio waves
i think its c but im not sure
@ELB27

Answer 5

i meant to put i think its d

Answer 6

Concerning the question about sound waves, none of the answers is satisfactory.
B shows a transverse wave, not a longitudinal wave.
A good answer would be:

Answer 7

i got the answer! it was D thanks for helping

Answer 8

yup, D
as for the first answer,Vincent-Lyon.Fr is correct - I mistook longitudinal waves for Transverse wave (was translating from my first lang.)

Answer 9

so what was the answer for the first one?
sorry my mind is so blank this morning..
@ELB27

Answer 10

@Vincent-Lyon.Fr

Answer 11

@Abhishek1997 can you help with the first question?

Answer 12

B