824.2 Youngs double slit experiment m bright fringes Ar=dsin= (m+1)Dark fringes 2 2丌 2m兀 Bright fringes d sine (m+I)T Dark fringes Where m is an integer that can take on the values0,士1,士2,士3,“ The absolute value of m is the order of terfe 824.2 Youngs double slit experiment If @is small sin6≈6 Max Then the multiple fringes Min will be a.+Max uniformly Min aced on the screen11 Where m is an integer that can take on the values 0, ±1, ±2, ±3, xxx. The absolute value of m is the order of interference. Bright fringes Dark fringes 2 ( 1) sin λ λ ∆ θ + = = m m r d Bright fringes π Dark fringes π θ λ π δ ( 1) 2 sin 2 path + = = m m d §24.2 Young’s double slit experiment Min Min Min Min Min Min Max Max Max Max Max If θ is small, sinθ ≈ θ Then the multiple fringes will be uniformly spaced on the screen. §24.2 Young’s double slit experiment