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2. Electromagnetic waves are arranged in an electromagnetic spectrum based on their frequency wavelength, and photon energy. How
will you describe the relationship between the EM waves' frequency and wavelength?
A. When the wavelength decreases, the frequency of the wave increases.
B. When the wavelength decreases, the frequency of the wave also decreases.
C. When the wavelength increases, the frequency of the wave increases four times.
D. When the wavelength increases, the frequency of the wave decreases four times.​


Sagot :

Answer:

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A is the correct answer, why?

When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.