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

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.

Quiz

Topic 9.5 Lesson 1 Doppler Effect Quiz

Jeffrey Piggott 3 questions

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1When an automobile moves towards a listener, the sound of its horn seems relatively __________. Click on the choice(s) below that correctly complete this statement.
1. Alow pitched
2. Bhigh pitched
3. Cnormal
2Click on each statement about the Doppler Effect that is TRUE.
1. AA. It occurs when a wave source moves towards an observer.
2. BB. It occurs when an observer moves towards a wave source.
3. CC. It occurs when a wave source moves away from an observer.
4. DD. It occurs when an observer moves away from a wave source.
3Two 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 [blank_start]higher[blank_end] speed will be heard by the observer to have the lower pitched sound.
1. Ahigher
2. Blower

Description: Quiz for Flipped Classroom Lesson #1 on Topic 9.5 The Doppler Effect
Author: Jeffrey Piggott
Language: English
Views: 73
Tags: doppler shift relative motion igcse
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