If approaching ambulance car produces pulses of 1000Hz sound twice per second?

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If approaching ambulance car produces pulses of 1000Hz sound twice per second?

what frequency is affected by Doppler effect:
the frequency of sound, or the frequncy of pulses?

2007-08-14 08:46:33 · 4 answers · asked by Alexander 6 in Science & Mathematics ➔ Physics

4 answers

Both.

2007-08-14 09:11:02 · answer #1 · answered by jedd c 3 · 0⤊ 0⤋

To be precise, it depends on the reference frame. To the driver of the ambulance, there is not effect at all. To a stationary observer, both will be effected.

2007-08-14 10:57:28 · answer #2 · answered by stopwar11112 3 · 0⤊ 0⤋

The 1000Hz sound is effected.

2007-08-14 08:59:04 · answer #3 · answered by Anonymous · 0⤊ 1⤋

Yes.

2007-08-14 10:06:07 · answer #4 · answered by skeptik 7 · 0⤊ 0⤋