answersLogoWhite

0

The photoelectric effect occurs when electrons are emitted after they absorb light. This helps traffic lights function and shine more brightly.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

Which of the following modern technologies makes use of the photoelectric effect?

Solar panels make use of the photoelectric effect to convert sunlight into electricity. The photoelectric effect is responsible for generating the flow of electrons within the solar cells when photons of light strike the panels.


How can you lessen the work function in photoelectric effect?

Use a metal with a lower work function.


Can photoelectric effect be observed using infrared rays?

No, the photoelectric effect is the emission of electrons from a material due to the absorption of photons. Infrared rays have lower energy photons than visible light, so they are not typically energetic enough to cause the photoelectric effect. Only photons with enough energy, such as ultraviolet or higher energy photons, can induce the photoelectric effect.


What is the use of frequency in photoelectric effect?

It Was an Effect Because,Albert Knew Everythinq Possbibly,And i dont think that anyone would wanna judgee of him o;


What do traffic engineers use signals in combination with signs and markings to?

. . . to control and channelize traffic flow to obtain maximum safety and the greatest volume of traffic.


Is it illegal to not use turn signals while driving?

Yes, it is illegal to not use turn signals while driving. Failure to use turn signals can result in a traffic violation and a fine. It is important to use turn signals to indicate your intentions and ensure the safety of yourself and other drivers on the road.


In all circumstances bycicalist have to obey the same traffic signal as vehicles?

Yes they do ! If they use the same roads as 'regular' traffic - they must obey traffic signals etc.


Who controls traffic signals?

Traffic signals are typically controlled by local or regional transportation agencies. These agencies use a combination of pre-programmed timers and real-time traffic data to manage signal operations. Advanced systems may incorporate sensors and cameras to adapt signals based on current traffic conditions. In some cases, emergency vehicles can have priority control to change signals for quicker response times.


Examples of traffic controls are?

Traffic control ranges from traffic cones and drums to the flaggers who hold the "Stop/Slow" signs. It can also include the cameras that DOTs use to look at traffic.


What type o energy transformation does a traffic light use?

A traffic light uses electrical energy to power the lights, which then emit light energy as signals to control traffic flow.


How does the sensor control smoke detector?

The smoke detectors use the photoelectric effect or a sensor based on the ionization differences between smoke and air.


What power sources makes use of the photoelectric effect?

Solar panels utilize the photoelectric effect to convert sunlight into electricity. When photons from the sunlight hit the solar panel's surface, they knock electrons loose and generate an electric current. This process allows solar panels to generate clean and renewable energy.