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If you had two repeated disturbances on the surface of a water, I know interference will occur. However, if I move the two sources of disturbances closer together, why would the 'gaps' between each wave increase?

Thanks in advance for your help!

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"I move these two disturbances" - Do you mean that you're moving the sources for ripples..? –  Waffle's Crazy Peanut Apr 11 '13 at 16:04
    
Yes, if the sources of the ripples were moves closer together, I'll change it. Thanks! @CrazyBuddy –  Hummus Apr 11 '13 at 16:05

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