If a source of solid is moving; a stationary listener will hear a sound of different frequency. This is called? By: Sunday|Published on: Mar 25|Categories: Physics JAMB| 0 comments A. doppler effect B. resonance C. ultra sound D. rarefaction Correct Answer: Option A – doppler effect Users Also Read These:Stationary which will be used over a long period of…The sound heard by a person after the reflection of…A tuning fork having a frequency of 312 Hz emits a…A girl stand 80m away from a tall cliff and blows a…A source of sound produces waves in air of…SEE ALSO If the refractive index of crown glass is 1.51; its critical angel is?