Some _______ pigment has been added to green lights and some ________ pigment has been added to red light to make it easier for the colourblind drivers to distinguish it.

Some _______ pigment has been added to green lights and some ________ pigment has been added to red light to make it easier for the colourblind drivers to distinguish it. Correct Answer blue, yellow

Some blue pigment has been added to green lights and some yellow pigment has been added to red light to make it easier for the colourblind drivers to distinguish it since colourblind people cannot distinguish between red and green.

Related Questions

Lights of four colors (red, blue, green, yellow) are hung on a ladder. On every step of the ladder there are two lights. If one of the lights is red, the other light on that step will always be blue. If one of the lights on a step is green, the other light on that step will always be yellow. Which of the following statements is not necessarily correct?