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- 1. Multiple ChoiceHearing your brother's music playing from down the hall is an example of what type of wave interaction?reflectioninterferencerefractiondiffraction
- 2. Multiple ChoiceYou and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?sound waves reflecting off smooth, flat surfaces throughout the housesound waves moving around the large roomssound waves moving slowly through airsound waves refracting around corners in the empty rooms
- 3. Multiple Choice
If distance C on the diagram increased, what would happen to the pitch?The pitch would be louder.The pitch would be softer.The pitch would be higher.The pitch would be lower. - 4. Multiple ChoiceIf the distance represented by the letter A were increased, how would it change the way the sound was heard?The sound would be higher.The sound would be lower.The sound would be softer.The sound would be louder.
- 5. Multiple Choice______ is how high or low a sound is; depends on the frequency.pitchfrequencysoundmedium
- 6. Multiple ChoiceA wave in which the particles vibrate in the same direction as that in which the wave is traveling; sound waveslongitudinal waveocean wavetransverse wavemechanical wave
- 7. Multiple ChoiceA soft, low pitch sound would have which of the following....low frequency
high amplitudehigh frequency
high amplitudelow frequency
low wavelengthlow frequency
low amplitude - 8. Multiple ChoiceWhen comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?Wave A and B have the same amplitude, but wave B (black) has a lower pitch.Wave A and B have the same amplitude, but Wave A has a lower pitch.Wave A and B have the same pitch, but Wave A is a softer sound.Wave A and B have the same pitch, but Wave B is a softer sound.
- 9. Multiple ChoiceA reflected sound wave is know as a/an ___________.frequencypitchechorarefaction
- 10. Multiple ChoiceAfter the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above?The distance represented by C would increase.The distance represented by C would decrease.The distance represented by D would increase.The distance represented by D would decrease.
- 11. Multiple ChoiceA wave that requires a medium through which to travelmechanical wavechemical waveelectromagnetic wavepitch
- 12. Multiple ChoiceIf I increase the energy of a wave, what will happen to the pitch?stays the sameincreases
(higher pitch)decreases
(lower pitch)goes up but levels off - 13. Multiple ChoiceA soft, high pitch sound would have which of the following....low frequency
high amplitudelow frequency
low wavelengthhigh frequency
low amplitudehigh frequency
high amplitude - 14. Multiple Choice______ is how loud or soft a sound is; depends on the amplitude.pitchfrequencyloudnessmedium
- 15. Multiple ChoiceWhat best describes the doppler effect?An apparent change in frequency of a wave due to the relative motion between a wave source and an observerWhen sound changes pitchWhen light changes colorAn apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
- 16. Multiple ChoiceWhen the car moves AWAY from you, its horn seems...Low pitchedHigh pitchedNormal
- 17. Multiple ChoiceWhen an ambulance move TOWARD you it sounds ________ pitched.highlowmedium
- 18. Multiple ChoiceWhen does sound refract?When it travels in a vacuum.When it moves through cold air.When it travels in only one medium.When it moves from one medium to another.
- 19. Multiple ChoiceHow are light waves and sound waves similar?The both carry matter & energyThey both carry energy.They both travel in vacuums.They both carry matter.
- 20. Multiple ChoiceWhat can you tell about this object's motion?Moving to the North (up).Moving to the South (down).Moving to the West (left).Moving to the East (right).
- Answer choicesTagsAnswer choicesTags