Number of Nodal Lines in Two-Point Interference Pattern

AI Thread Summary
In a two-point interference pattern, increasing the wavelength of the sources leads to an increase in the number of nodal lines. This occurs because a longer wavelength results in a lower frequency, which allows for more opportunities for destructive interference. As the wavelength increases, the spacing between nodal lines also increases, creating more distinct nodal lines in the pattern. The relationship between wavelength and nodal lines is crucial for understanding interference phenomena. Thus, longer wavelengths contribute to a greater number of nodal lines in the interference pattern.
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Homework Statement



In a two - point in phase inteference pattern, what will happen to the number of nodal lines if the wavelength of the two sources increases? Justify your answer


Homework Equations



Not too sure if an equation is needed to answer this question

The Attempt at a Solution



I said they would stay the same but its wrong.
 
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as the wavelength increases there will be more more nodal lines as the frequency will also increase. with faster wavelenghts the frequency will increase which means the waves will be shorter which will allow for more destructive interference which are nodal lines.
 

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