A) A low frequency wave has a long wavelength.
Explanation:
Electromagnetic waves are periodic oscillations of the electric and the magnetic field in a plane perpendicular to the direction of motion the wave.
Electromagnetic waves travel in a vacuum always at the same speed, the speed of light:
[tex]c=3.0\cdot 10^8 m/s[/tex]
The wavelength and the frequency of an electromagnetic wave are related by the wave equation:
[tex]c=f\lambda[/tex]
where
c is the speed of light
f is the frequency
[tex]\lambda[/tex] is the wavelength
From the equation above, we observe that the frequency and the wavelength are inversely proportional. Therefore, the only correct option could be
A) A low frequency wave has a long wavelength.
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