For which of the following cases, there will be no Doppler effect ?
(a) If source and listener, ... VIDEO
For which of the following cases, there will be no Doppler effect ?
(a) If source and listener, both move in the same direction with same speed.
(b) If one of the source/listener is at the centre of a circle, while the other is moving on it.
(c) When both the source and listener are at rest.
(d) All of these
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