Question

Which of the following is true about sound waves?

1:they move faster than light
2:they make wind
3:the vibrate the air
4: they move slower in water than air

Answer 1

(Question) Which type of wave needs a medium to travel?

(Answer) sound waves, because they travel by oscillating molecules

(Question) What do both sound and light waves transfer?

(Answer) energy

(Question) How does an increase in amplitude affect sound and light waves?

(Answer) louder sound and brighter light

(Question) What happens to the wavelength when the frequency increases?

(Answer) The wavelength decreases.

(Question) Which of the following is true about sound waves?

(Answer) Sound moves faster in the ocean than in the air.

Step-by-step explanation:

i just did the quick check

Answer 2

They transmit by vibration through mediums such as air. So #3 is most logical answer.

Step-by-step explanation:

It is in fact vibration of air (sound waves) which is transformed by the tympanic membrane in the ear of human to audible sounds.

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Sound travels slower than light

Move faster in water than air.

Wind blowing through leaves and other objects creates sounds.