Sound Waves

Question 1

Which statement correctly compares sound and light waves?

Revolt · Accepted Answer

Sound waves carry energy parallel to the motion of the wave, while light waves carry energy perpendicular to it.

Question 2

Complete the passage.

Revolt · Accepted Answer

longitudinal; transverse

Question 3

Question 3

Revolt · Accepted Answer

transverse

Question 4

Which features do sound waves have that ocean and light waves do not? Check all that apply.compressionsrarefactionsamplitudewavelengthcrestsfrequencyspeed

Revolt · Accepted Answer

compressions; rarefactions

Question 5

Which statement correctly compares sound and earthquake waves?

Revolt · Accepted Answer

Sound waves and some earthquake waves have compressions and rarefactions.

Question 6

How many complete wavelengths are present in the sound wave shown?

Revolt · Accepted Answer

2

Question 7

In which of these scenarios would the sound of the drumstick hitting the metal bar get to you in the least amount of time? Explain your answer.

Revolt · Accepted Answer

The sound would reach you in the least amount of time if you were listening through the metal bar (a solid) rather than through the air (a gas). This is because sound waves travel fastest through solids. In a solid, the particles are packed much more closely together than in a liquid or a gas, which allows the vibrations to be transferred from particle to particle much more quickly.

Question 8

As elevation increases, temperature decreases. At which elevation will sound travel fastest?

Revolt · Accepted Answer

500 meters

Sound Waves Answers

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