In which of the following case frequency of heard sound by the observe – InterviewSolution

1.	In which of the following case frequency of heard sound by the observer increasesa. When source are moving away from stationary observerb. When observer are moving away from stationary sourcec. When both observer and source are moving away from each other d. When both observer and source are moving towards each other
Answer» In which of the following case frequency of heard sound by the observer increases a. When source are moving away from stationary observer b. When observer are moving away from stationary source c. When both observer and source are moving away from each other d. When both observer and source are moving towards each other

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