cieraponce3011
cieraponce3011 cieraponce3011
  • 23-05-2020
  • Physics
contestada

How do you describe the frequency of waves perceived by the observer from the moment the source appears to the moment it disappears ?

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temdan2001
temdan2001 temdan2001
  • 29-05-2020

Answer: the frequency increases and decreases.

Explanation: According to doppler effect, the frequency of waves tends to increase as the source approaches and decrease as the source disappears.

The Doppler effect occurs when a source of waves and/or observer move relative to each other, resulting in the  observer measuring a different frequency of the waves than the frequency that the source is emitting.

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