MCAT Question of the Day
    •

    Q:

    		 Two sound waves vibrate such that a listener hears a beat frequency of 4 Hz. Which of the following is a possible frequency of the two waves?
    		 

    A

    		 448 Hz and 450 Hz

    B

    		 400 Hz and 800 Hz

    C

    		 400 Hz and 416 Hz

    D

    		 448 Hz and 452 Hz



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