Which of the following changes would increase the separation between the bright fringes in the diffraction pattern formed by a diffraction grating?
A)Increase the wavelength of the light used.
B)Increase the separation between the slits.
C)Immerse the apparatus in water.
D)None of these
E)More than one of these

Question

Quizplus · Accepted Answer

Increasing the wavelength of the light used will increase the separation between the bright fringes, as the fringe separation is directly proportional to the wavelength in the diffraction grating equation.

Which of the Following Changes Would Increase the Separation Between