Question: pls answer quickly A double-slit experiment is performed to measure the wavelength of a monochromatic light source. It is found that the nodal lines are
pls answer quickly

A double-slit experiment is performed to measure the wavelength of a monochromatic light source. It is found that the nodal lines are too close together to be easily observed. Which of the following will increase the separation of the nodal lines? O a) blue light is used instead of red light O b) the slit separation is increased O c) the wavelength of the light is increased (d) the distance between the slits and the screen is decreased
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