When the positions of bright fringes are plotted against their order number for a…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
When the positions yn of bright fringes are plotted against their order number n for a given Young’s double-slit set-up, which one of the following best describes the nature of the graph?
(a) Parabola opening upwards
(b) Straight line not passing through the origin
(c) Straight line passing through the origin
(d) Exponential curve rising with n