Physics 7D: Behaviors of Waves
Quiz by Sherry Felux-Bell
High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)
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11 questions
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- Q1An ambulance is traveling AWAY from you. The frequency of the sound wave of the siren seems toincrease above the normal pitch (sound higher)be the same as the normal pitchbe impossible to heardecrease below the normal pitch (sound lower)120s112.39.c.7.d
- Q2Sound engineers at an automobile factory plan to design a device that could be used as a type of muffler for road noise. In order to cancel all the exterior noise, they must create what type of interference with the sound waves outside the vehicle?Partially constructive interferenceCompletely destructive interferenceCompletely constructive interferencePartially destructive interference120s112.39.c.7.d
- Q3Which of the following does not apply to a sound wave?ReflectionDiffractionPolarizationRefraction120s112.39.c.7.d
- Q4A scientist using Doppler weather radar receives frequency readings reflected from a storm that are higher than the original frequencies transmitted. Based on these readings the scientist can conclude that —the storm is moving toward the radar transmitterthe storm is moving at a ninety degree angle from its original paththe storm is moving away from the radar transmitternothing can be concluded from the data120s112.39.c.7.d
- Q5Sound waves have the ability to cause objects to vibrate. If a paperback book is placed near a speaker and the volume of the speaker is amplified, the book can be torn apart into small pieces. Which wave behavior is responsible for this phenomena?ResonanceDiffractionReflectionDoppler effect120s112.39.c.7.d
- Q6The diagram below shows straight wave fronts passing through an opening in a barrier. What is this spreading or bending at the slit above referred to?ReflectionDiffractionTroughDispersion120s112.39.c.7.d
- Q7A ruler submerged in a clear glass of water may appear broken or bent when observed from the side of the glass. Which of the following characteristics describes this broken or bent appearance?RefractionAmplitudeReflectionDiffraction120s112.39.c.7.d
- Q8A star appears to be red according to its spectral composition, but it appears blue when observed through a telescope. What is the best explanation for this phenomenon?All of the aboveThe object is moving parallel to Earth.The object is moving away from Earth.The object is moving toward Earth.120s112.39.c.7.d
- Q9A light ray strikes the mirror such that the angle of incidence is 30 degrees. According to the above information and diagram, what is the angle between the incident ray and reflected ray?30°60°0°15°120s112.39.c.7.d
- Q10An astronomer observes a redshift due to the Doppler effect in the spectrum of a nearby star. What does the redshift indicate about the star’s movement and change in frequency?The star is moving away from the observer with a decrease in frequency.The star is moving toward the observer with an increase in frequency.The star is moving toward the observer with a decrease in frequency.The star is not moving with no change in frequency.120s112.39.c.7.d
- Q11The amplitude of two light waves (Light Wave A and Light Wave B) as a function of time are shown below.Refer to space at the same time. Which of the following is the best description of the resultant light wave intensity at t = 1.5 sThe resultant wave has greater intensity than Light Wave B at t = 1.5 s.The resultant wave has a lower intensity than Light Wave B at t = 1.5 s.There is no light at t = 1.5 s.The resultant wave has the same intensity as Light Wave B at t = 1.5 s.120s112.39.c.7.d
