Question

A mixture of 450-nm and 900-nm light is incident on a multiple-slit system. Which of the following is true?
A) All lines of the 900-nm light coincide with lines of the 450-nm light
B) All lines of the 450-nm light coincide with lines of the 900-nm light
C) None of the lines of the 900-nm light coincide with lines of the 450-nm light
D) None of the lines of the 450-nm light coincide with lines of the 900-nm light
E) None of the above

Answer

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