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Two sinusoidal functions of time are combined to obtain the result shown in the figure above.

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Two sinusoidal functions of time are combined to obtain the result shown in the figure above. Which of the following can best be explained by using this figure?

(A) Beats 

(B) Doppler effect 

(C) Diffraction 

(D) Polarization 

(E) Simple harmonic motion

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1 Answer

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The correct option is: (A) Beats 

Explanation:

This diagram is associated with beats. The increasing and decreasing amplitude caused by interference oscillates the volume up and down which creates the beat sound.

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