Question: An interference pattern is set up by two point sources of the same frequency, which are in phase. A point on the second nodal line

An interference pattern is set up by two point sources of the same frequency, which are in phase. A point on the second nodal line is 26 cm from one source and 29.5 cm from the other source. The speed of the waves is 7.5 cm/s. a. Calculate the wavelength of the waves. [2 marks] b. Calculate the frequency of the sources. [1 mark]

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