Unit 8 quiz

Who will hear a lower pitch?

• Paul because he is closer to the sound.

• Paul because he is father from the sound.

• Tommy because he is closer to the sound.

• Tommy because he is father from the sound.

Frequency will ________ as the source approaches an observer.

• get lower

• get slower

• get higher

• get faster

Frequency will _______ as the source moves away from the observer.

• get lower

• get slower

• get higher

• get faster

All waves like light and sound waves have different what? (pick two)

• Frequency

• Wavelength

• Pitch

• Trough

3 examples of mediums:

• Air

• Water

• Metals

• Kool Aid

As the wavelength of a wave increases the frequency will?

• Decrease

• Increase

• Multiply

• Subtract

What type of interaction is in this image?

• interference

• refraction

• diffraction

• reflection

What type of interaction is in the image?

• Constructive interference

• Destructive interference

• Construction interference

What type of interaction is in this image?

• Reflection

• Interference

• Refraction

• Diffraction

Waves can carry ___.

• Matter

• Air

• Energy

• Space