The Highway to Olympia is a tv program that has attracted the eye of audiences nationwide, particularly highschool college students, for the previous 22 years. Along with evaluating the contestants’ scores and skills, the viewers additionally participated in answering attention-grabbing information questions.

Within the Olympia program, the twentieth week contest had a query that stunned many individuals. The Olympia query has the next content material: In a 3-color site visitors mild field, how are the colours organized so as from backside to high?

It is a pretty easy query, anybody sees it each day, however nobody pays consideration when taking part in site visitors, so not everybody can reply it instantly. The reply to the above query is as follows: The colours organized so as from backside to high of the site visitors mild field are inexperienced, yellow, crimson.

The principle job of every shade within the site visitors mild field is:

Inexperienced mild sign: enable the car to go.

Yellow mild sign: a warning sign for sign rotation, signaling car drivers when taking part in site visitors on the street to decelerate and should cease in entrance of the “Cease” painted line in line with laws. In case car drivers and pedestrians have crossed the painted line, they have to rapidly cross out of the intersection to keep away from endangering themselves and different street customers.

Crimson mild sign: cease.

Site visitors lights have solely these 3 colours and never different colours as a result of the three colours of site visitors alerts have lengthy wavelengths and are in descending order within the air. They belong to the white mild spectrum: crimson, orange, yellow, inexperienced (blue), blue, indigo, violet. Due to this fact, these 3 colours assist folks see from a distance in each day and evening circumstances.