Final answer:
Electromagnetic radiation exhibits characteristics such as frequency and wavelength. Frequency represents the number of waves passing a point per second, while wavelength represents the distance between wave crests or troughs. The relationship between frequency and wavelength is inverse.
Step-by-step explanation:
Electromagnetic radiation has several characteristics and relationships between its measurable variables. The two primary measurable variables of electromagnetic radiation are frequency and wavelength. Frequency represents the number of waves that pass a given point in a second, and it is measured in hertz (Hz). Wavelength, on the other hand, represents the distance between two consecutive wave crests or troughs, and it is measured in meters (m).
The relationship between frequency and wavelength is inverse: as the frequency increases, the wavelength decreases, and vice versa. This relationship can be mathematically described using the equation: speed of light (c) = wavelength (λ) * frequency (f).
For example, let's consider visible light. Visible light is a form of electromagnetic radiation with a frequency range between approximately 400 and 700 trillion hertz (THz). Different colors of light have different wavelengths. The color red, for instance, has a longer wavelength (around 700 nanometers), while the color violet has a shorter wavelength (around 400 nanometers).