The key aspect of two-slit interference is the dependence of the total intensity at point O on the angle θ. Find this intensity I(θ). The formula for intensity is I=(ϵ0c(amplitudeofE)2)/2 Express your answer in terms of Imax, θ, d, and λ, where Imax=2ϵ0cE(r)2. Note: cos2x should be coded as cos(x)^2.   In order to make the math as simple as possible, we will define two phases:

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Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.