Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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In Discussing Doppler Effect, We Use the Word "Apparent Frequency". Does It Mean that the Frequency of the Sound is Still that of the Source and It is Some Physiological Phenomenon - Physics

Short Note

In discussing Doppler effect, we use the word "apparent frequency". Does it mean that the frequency of the sound is still that of the source and it is some physiological phenomenon in the listener's ear that gives rise to Doppler effect? Think for the observer approaching the source and for the source approaching the observer.

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Solution

The frequency of the sound is still that of the source. However, the frequency of the vibrations received by the observer changes due to relative motion.
If both (the observer and the source) move towards each other, then the frequency of the vibrations received by the observer will be higher compared to the original frequency.

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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 16 Sound Waves
Short Answers | Q 8 | Page 351
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