A monochromatic electromagnetic wave has wavelength in vacuum.

PHYSICS · Multi-part · GCSE · Physics · Waves · Waves

Problem

A monochromatic electromagnetic wave has wavelength

500\,\text{nm}

in vacuum. (i) Identify the region of the electromagnetic spectrum to which it belongs. (ii) Calculate its frequency,

c=3.0\times10^{8}\,\text{m s}^{-1}