How many times greater is the speed of red light (λ = 700 nm) than the speed of violet light (λ = 400 nm) in a vacuum? A) 1.75 , the first color of light is faster B) 0.57 , the second color of light is faster C) 3.00 x 10⁸ , the first color of light is faster D) 1.00 , both colors of light have the same speed E) 3.00 x 10⁸ , the second color of light is faster

Question

Quizplus · Accepted Answer

In a vacuum, all colors of light travel at the same speed, which is the speed of light (approximately 3.00 x 10^8 meters per second), regardless of their wavelength.

How Many Times Greater Is the Speed of Red Light