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The Doppler effect.

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Q: Which one of the following effect is employed in the instrument sed by the police to detect the over speeding of vehicles?
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Related questions

Which effect is employed in the instrument used by the police to defect the over speeding of vehicles?

Doppler effect


How accurate is it if a police officer catches you speeding by following you?

As accurate as radar.Added: The speedometers in virtually all police vehicles are calibrated and certified as correct, and that documentation can be produced in court to attest to their accuracy.


An instrument which indicates the speed of a motor vehicles is?

It is a speedometer.


When driving in a parking lot you should avoid which of the follwing?

Avoid speeding and hitting pedestrians or other vehicles.


What are the precautions which are to be taken to prevent road accidents?

Over speeding kills .Vehicles should be rode in a limited speed .


Which of the following vehicles maybe operated in the path of a taxiing aircraft?

Follow-me vehicles.


When parked on the flightline which of the following vehicles are required to be chocked?

vehicles without an integral braking system


Turn-outs are features of mountain roadways that should be employed by?

slow moving vehicles being followed by a line of five or more vehicles waiting to pass


Where can one find more information about speeding fines?

Speeding fines are set by city and county governments. Fines differ based on the location where one is driving. They can be researched by contacting the Department of Motor Vehicles in the city or county in question.


What tis the instrument cluster for?

Well, instrument clusters are mainly used with connection to functioning speedometers, and acts like a control center, or home of automobiles or any vehicles.


At what age can a person be employed as a NON-DOT driver in the State of California?

18. You could even be employed as a CDL driver at 18 (although you'd be restricted to operating commercial vehicles within the state).


Can a cop give speeding tickets to multiple vehicles for the same violation?

If every vehicle broke the law, yes, they can issue tickets to as many as he wishes.