A sound source is moving away from an observer. If the source emits a sound of f
Practice Questions
Q1
A sound source is moving away from an observer. If the source emits a sound of frequency 400 Hz, what frequency does the observer hear?
Less than 400 Hz
Exactly 400 Hz
More than 400 Hz
Infinity
Questions & Step-by-Step Solutions
A sound source is moving away from an observer. If the source emits a sound of frequency 400 Hz, what frequency does the observer hear?
Doppler Effect – The change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.
Frequency Shift – When a sound source moves away from an observer, the frequency of the sound heard by the observer is lower than the emitted frequency.
