mechanical waves interaction

Which type of interaction is this?

• reflection

• refraction

• diffraction

Which wave in the diagram has the greatest wavelength?

• 1
• 2
• 3
• 4

This is when sound waves reflect or bounce off an an object.

• Echo

• Transmission

• Refraction

• Absorption

Which type of interaction is this?

• reflection

• refraction

• diffraction

The high or low pitch of a sound is related to the ___________ of the wave

• decibel
• amplitude
• frequency
• rest position

How loud or soft a sound is, is related to the _____________ of the wave

• amplitude
• frequency
• wave length
• rest position

If two sound waves differ in intensity, the wave that is more intense sounds________

• softer
• louder
• higher pitch
• lower pitch

Choose the word that belongs in the sentence. A sound wave is a type of ______________ wave.

• parallel
• transverse
• longitudinal
• perpendicular

A guitarist strums two strings on a guitar. The first string vibrates more quickly than the second string. What is true about the pitch of the string?

• The first string has a higher pitch than the second string
• The second string has a higher pitch that the first string.
• The first string and the second string have the same pitch.
• The pitch of the second string depends on the pitch of the first string.

Sound travels fastest through what type of medium?

• pond water
• cold air
• iced tea
• wooden desk