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July 4, 2015

Homework Help: physics

Posted by ashley -- on Sunday, April 17, 2011 at 10:32pm.

Which of the following conditions is not necessary to observe an interference pattern between two sets of waves?
Choose one answer.
a. The waves must have the same wavelength.
b. The waves must have a constant phase difference.
c. The waves must have the same amplitude.
d. The waves must have the same frequency.

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