PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
In a double-slit experiment, a student wants the bright fringes on the screen to be closer together but is not allowed to alter the light source or the screen’s position. Which single adjustment would achieve this goal?
(a) Double the wavelength of the light
(b) Halve the slit separation
(c) Double the slit separation
(d) Move the screen twice as far away