How effective is a police radar gun at night? I know it works on reflection, but at night on a street with no light? Is it still effective?
2007-09-11 18:34:55 · 12 answers · asked by kwikkat6 1 in Politics & Government ➔ Law Enforcement & Police
Radar has nothing to do with visible light. Radar sends out radio waves that bounce back from metallic objects, like cars.
Send out two radio wave pulses shortly apart and then time how long it takes each to return. Both will give you the distance of the object that is reflecting the wave. Calculate the difference in the distance, by the difference in the timing of the pulses, and you've got the speed of the vehicle.
Day or night, clear weather or blizzard, makes no difference. None of that stops radio waves.
To Jason - bats use sonar, which uses sound pulses.
2007-09-11 18:51:23 · answer #1 · answered by Uncle Pennybags 7 · 0⤊ 2⤋
Police Speed Gun At Night
2017-01-09 11:32:11 · answer #2 · answered by ? 4 · 0⤊ 0⤋
No radar does not work at night. That is why bats only fly in the daytime! Planes cannot take off and land at night, and aircraft carriers have to shut down operations at night as well. Can't have planes flying blind! LOLOL!!
Do you know what radar is? It is an echolocator. If radar didn't work at night, you probably wouldn't be able to talk at night either! The only problem with at radar at night would be with a handheld device, because one has to see what it is being aimed at to be able to send the signal in the correct direction. So don't speed at night, because you can't see the officer holding the radar gun!
2007-09-11 19:20:47 · answer #3 · answered by Fred C 7 · 2⤊ 1⤋
Radar is type of radio wave. It is not light. Radar will work at night with now light. A form of radar is how bats catch flying insects in pitch black caves.
2007-09-11 18:45:35 · answer #4 · answered by Anonymous · 1⤊ 0⤋
lol, it uses the reflection of RADIO waves that it generates, not light. Radar works just as well at night, in fact ot works better, but not because of any effect the light level has on the radar, it is because of the fact that you may not see the officer in the dark until it is too late to slow down.
2007-09-12 09:07:17 · answer #5 · answered by joseph b 6 · 0⤊ 0⤋
Yes. Day or night have no effect on the radar.
2016-03-18 04:28:38 · answer #6 · answered by ? 4 · 0⤊ 0⤋
it is just as efective, because it uses radar, which is waves, and your radio works at night, right? same thing.
2007-09-11 18:45:04 · answer #7 · answered by pokemonguyjosh 3 · 2⤊ 0⤋
yes, they work just as good in the dark; I have never heard of them working on reflection though...I thought it was movement in general. what about rust-buckets in broad daylight? I had a car that had most of the paint sunbaked off of it, it looked like crap, but it still screamed down the road- I got speeding tickets in it during high noon and at 2 am
2007-09-11 18:45:18 · answer #8 · answered by nerak0072 2 · 0⤊ 2⤋
As effective as during the day.
2007-09-11 19:30:11 · answer #9 · answered by Steven C 7 · 0⤊ 0⤋
YES. radio waves work ALL the time!!
2007-09-11 19:31:00 · answer #10 · answered by Anonymous · 1⤊ 0⤋