Question

Which of the following statements is incorrect?

a. Sound is a longitudinal wave.
b. the speed of sound increases with temperature
c. sound travels faster in solid than gas.
d. sound can be propagated in a vacuum.

Answer 1

Answer:

a. TRUE

b. FALSE

c. TRUE

d. FALSE

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Answer 2

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Statement D: Sound can be propagated in a vacuum

The above statement is false; we've known the fact that Sound Waves can't travel through 0 air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound.

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