Jeffrey Piggott
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Quiz for Flipped Classroom Lesson #1 on Topic 9.5 The Doppler Effect

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Jeffrey Piggott
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Topic 9.5 Lesson 1 Doppler Effect Quiz

Pregunta 1 de 3

1

When an automobile moves towards a listener, the sound of its horn seems relatively __________. Click on the choice(s) below that correctly complete this statement.

Selecciona una de las siguientes respuestas posibles:

  • low pitched

  • high pitched

  • normal

Explicación

Pregunta 2 de 3

1

Click on each statement about the Doppler Effect that is TRUE.

Selecciona una o más de las siguientes respuestas posibles:

  • A. It occurs when a wave source moves towards an observer.

  • B. It occurs when an observer moves towards a wave source.

  • C. It occurs when a wave source moves away from an observer.

  • D. It occurs when an observer moves away from a wave source.

Explicación

Pregunta 3 de 3

1

Selecciona la opción correcta del menú desplegable para completar el texto.

Two ambulances have their sirens on and emit sound of the SAME frequency. Both ambulances are the same distance away from an observer but approach the observer from different directions and at different speeds. The ambulance with ( higher, lower ) speed will be heard by the observer to have the lower pitched sound.

Explicación

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