Doppler Effect Worksheet Answer Key
North a m due east : _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ D a t east : _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Student Exploration: Doppler Shift
Vocabulary: Doppler shift, frequency, pitch, sonic boom, sound waves, wavelength
Prior Knowfiftyedge Questions (Do these BEFORE usinone thousand the Gizmo.)
Have you ever heard a siren on a moving ambulance, fire truck, or law auto? If so, what
happens to the sound every bit the vehicle passes past?
___________________________________________________ __ _______________________
____________________________________________________________________________
The change in the sound that y'all hear is chosen the Doppler shift.
Gizmo Warm- up
The Doppler Shift Gizmo illustrates why the Doppler shift
occurs. The Gizmo shows a vehicle that emits sound waves
and an observer who will hear the sounds.
1. Click the PLAY SAMPLE button ( ). (Check that the
Gizmo's audio and your computer's speakers are on.)
Westhat do you lot hear? _____________________________
_____________________________________________
2. Click Play ( ) and observe the due southound waves emitted fro1000 the moving car. Click Pause (
) and compare the sound waves in front of and behind thdue east car. What practise you lot notice?
_________________________________________________________________________
3. Apply the Ruler to measure the wavelength, or the distance between the lines, of the waves
in front of and behind the car. (Note: Thursdayeastward red circles represent every thousandth wave.)
Wavelength in front of car: ____________ Westavelength behind car: ____________
four. Why do you remember the due westaves in front of the car take a shorter wavelength than the waves
behind the auto? ____________________________________________________________
_________________________________________________________________________
The pitch of the sound goes lower as the vehicle passes by.
Niraimathi K. July 23rd, 2021
The sound goes from high to low.
The audio waves are closer together in front of he auto than behind.
500m 900m
I call up it'due south because the car is moving towards the waves in front of it and moving away from the waves
behind it and therefore the distance between the waves is shorter in front than backside.
Doppler Effect Worksheet Answer Key,
Source: https://www.studocu.com/en-us/document/lincoln-college/physics/doppler-shift-se-answers/16583603
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