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wavelength of red light is 700 nanometers, and its frequency is 4.285 x 1014 hz. what is the speed of red light in m/s. (note: 1 nanometer is

User Cdoublev
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1 Answer

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Answer:

Speed = 3·10⁸ m/s

Step-by-step explanation:

Given:

λ = 700 nm = 700·10⁻⁹ m

ν = 4.285·10¹⁴ Hz

_______________

V - ?

The speed of red light:

V = λ·ν

V = 700·10⁻⁹·4.285·10¹⁴ ≈ 3·10⁸ m/s

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