Therefore, the formula of the first fringe will be ΔL = λ2 = a/2sinθ where λ = a sin θ and for the second minima, the formula will be λ/2 = a/4sin θ where 2λ = a sin θ. Based on this, the formula that can be expressed mathematically isįor the dark fringe, the wavelength is calculated between λ2 and λ. Considering that, the emanation of two rays takes place at a distance of a/2 from each other. The angular position of any point on the screen that is $\mathrm$ has the measurement that is found by the centre of slit that divides the slit by the length of a/2 (, 2022). For better understanding, it is conjectured that the width of the slit is The formula of the single-slit diffraction can be represented through mathematical representation. This change observed in the frequency often produces a distinctive pattern on the screen placed behind the slit that is called the diffracted pattern. The experiment proves that the light waves have a specific wavelength and the frequency of these wavelengths can be changed when a reaction happens in the wave of light while travelling through a small slit (Qi
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