Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
Answer the question based on the following text.

Question:


If Jim lengthens the wavelength of the electromagnetic waves his machine is producing, what happens to the energy output it increases or it decreases? 


Text:

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multiple-choice question answering
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Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
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Answer the question based on the following text.

Question:


If Jim lengthens the wavelength of the electromagnetic waves his machine is producing, what happens to the energy output it increases or it decreases? 


Text:

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it decreases