General Science • PhysicsEasy
Which of the following colors has the longest wavelength in the visible spectrum?
A. Violet
B. Green
C. Blue
D. Red✓ Correct Answer
💡 Solution & Explanation
Red light possesses the longest wavelength and lowest frequency within the visible light spectrum, while violet light has the shortest wavelength. Because of its long wavelength, red light scatters the least through atmospheric particles. This property makes red light ideal for danger and stop signals.
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