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Chapter 17: Q5CQ (page 628)

Is the Doppler shift real or just a sensory illusion?

Short Answer

Expert verified

Doppler effect is not an illusion it is a real phenomenon.

Step by step solution

01

Ambulance example

We can imagine of ambulance approaching near us. By listening to its horn we can experience the shift when it comes closer and when it goes far from us.

02

Explanation of ambulance example using doppler effect

It happens when the ambulance comes near us frequency of sound as heard by the observer(us) increases and when it goes far away, the frequency of sound as heard by the observer(us) decreases.and this effect is known as doppler effect. Thus it is not an illusion.

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