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

Question

Quizplus · Accepted Answer

The lines of the 900-nm light coincide with lines of the 450-nm light because the wavelength of the 900-nm light is twice the wavelength of the 450-nm light.

A Mixture of 450-Nm and 900-Nm Light Is Incident on a Multiple-Slit