Light moves very quickly, at the speed of 3 x 10⁸ m/s. The range of visible light that we can see is around 600 nm. At this range, what is the frequency of the light? A)2)5 x 10⁸ Hz B)3)0 x 10¹² Hz C)5)0 x 10¹⁴ Hz D)5)8 x 10¹⁶ Hz E)7)1 x 10¹⁸ Hz

Question

Quizplus · Accepted Answer

The frequency of light is around 5 x 10¹⁴ hertz. This can be calculated by using the simple wave equation: ? = (v/f). This is rearranged to give f = v/?, where f is frequency, v is velocity, and lambda is wavelength. Thus, f = (3 x 10⁸)/(6 x 10^-7m), or answer C.

Light Moves Very Quickly, at the Speed of 3 X