Doppler Effect - Conceptual A g 'E A loud speaker tuned to a single frequency, f0, is rotating in a circle with constant speed v. For each of the following statements select the correct option. Note: At all the locations below the speaker is rotating at speed v. Observer I The frequency heard by the observer when the speaker is at B is greater than v f0. I The frequency heard by the observer when the speaker is at D is to. I The frequency heard by the observer when the speaker is at D is when the speaker is at A. I The frequency heard by the observer when the speaker is at A is 1'0. I The frequency heard by the observer when the speaker is at C is greater than v f0. Incorrect. Tries 7/10 Previous Tries