Assertion: doppler effect | /r/HasProperty | alteration
Facets:
Source sentences:
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.
text: Doppler effect: an alteration in the observed frequency of a sound due to motion of either the source or the observer
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.
text: The Doppler effect is an alteration in the observed frequency of a sound due to motion of either the source or the observer.