Four different double-slit arrangements are proposed for observing the second-order…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
Four different double-slit arrangements are proposed for observing the second-order bright fringe with 600 nm light. In which arrangement is the error introduced by the small-angle prediction most likely to be less than 1 %?
(a) Arrangement B
(b) Arrangement A
(c) Arrangement D
(d) Arrangement C