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Question
The human eye is most sensitive to ______ colour but still most danger and alert signals are red in colour because red light scatters the ________.
The human eye is most sensitive to ______ colour but still most danger and alert signals are red in colour because red light scatters the ________.
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Solution
The correct option is D yellow, least
Cone cells in the retina are responsible for sensing colors. At moderate to bright light levels where the cones function, the eye is more sensitive to yellowish-green light than other colors.
Yet, alert signals are made red in color because they have to be visible from far away distances to avoid accidents. Red light scatters the least and can travel longer distances without losing its brightness too much making the alert signals visible more clearly from longer distances.
Cone cells in the retina are responsible for sensing colors. At moderate to bright light levels where the cones function, the eye is more sensitive to yellowish-green light than other colors.
Yet, alert signals are made red in color because they have to be visible from far away distances to avoid accidents. Red light scatters the least and can travel longer distances without losing its brightness too much making the alert signals visible more clearly from longer distances.
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