Which property is you need to electromagnetic wave
to travel?
Answer: Electromagnetic waves require a medium with conductive properties, such as air, water, or metal, in order to travel.
The property you need to describe an electromagnetic wave is wavelength.
To understand how to determine the wavelength of an electromagnetic wave, you can follow these steps:
1. Identify the type of electromagnetic wave you are dealing with. Examples of electromagnetic waves include radio waves, microwaves, infrared radiation, visible light, ultraviolet rays, X-rays, and gamma rays.
2. Obtain the frequency of the wave. The frequency represents the number of cycles of the wave that occur per second and is usually measured in hertz (Hz). You can find this information from a reliable source or measurement instrument.
3. Use the equation c = λ * f to calculate the wavelength. In this equation, c represents the speed of light (approximately 3 x 10^8 meters per second), λ represents the wavelength, and f represents the frequency. Rearrange the equation to solve for λ: λ = c / f.
4. Substitute the known values into the equation and perform the calculation to find the wavelength. Make sure your units are consistent (e.g., meters for wavelength and hertz for frequency).
Once you have the wavelength, you can describe the electromagnetic wave based on its range within the electromagnetic spectrum and how it interacts with matter.