Chemistry Practice Problems Wavelength and Frequency Practice Problems Solution: An AM station broadcasts rock music at “950 on you...

Solution: An AM station broadcasts rock music at “950 on your radio dial.” Units for AM frequencies are given in kilohertz (kHz). Find the wavelength of the station’s radio waves in meters (m), nanometers (nm), and angstroms (Å).

Problem

An AM station broadcasts rock music at “950 on your radio dial.” Units for AM frequencies are given in kilohertz (kHz). Find the wavelength of the station’s radio waves in meters (m), nanometers (nm), and angstroms (Å).

Solution

Radio waves (FM and AM) are types of electromagnetic radiation. So, to solve this problem we’re going to use the equation for the speed of light:

Calculate Wavelength:

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