Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye. The frequency of this light is ________ s^-1. A)4.688 × 10¹⁴ B)4.688 × 10⁵ C)1.920 × 10² D)1.920 × 10¹¹ E)2.133 × 10^-15

Question

Quizplus · Accepted Answer

The frequency (ν) of light can be calculated using the formula ν = c/λ, where c is the speed of light (3.00 × 10^8 m/s) and λ is the wavelength (640 nm = 640 × 10^-9 m). Substituting these values gives ν = 4.688 × 10^14 s^-1.

Electromagnetic Radiation with a Wavelength of 640 Nm Appears as Orange