elreemali03 elreemali03

22-03-2017
Physics

Answered

How do police use the principle of the Doppler effect?

To transmit fingerprints from one precinct to the next

To measure how much pollution is coming from your car

To measure the speed of cars on the highway

Police don't use this, only the weather man!!

Verified Answer :

AbhiGhost AbhiGhost

22-03-2017

Doppler effect can be used to calculate frequency as well along with speed.
So 3rd option is correct.

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