In which of the following situations is the Doppler effect absent?

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In which of the following situations is the Doppler effect absent?

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Calantha 5 years 2021-08-19T19:27:18+00:00 1 Answers 13 views 0

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    2021-08-19T19:28:27+00:00

    The source and the observer are moving towards each other. The observer is moving toward the source. The source is moving away from the observer

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