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Question: reflected beam reflected beam ineident ream mirror light souree...

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Reflected Beam Reflected Beam Ineident Ream / Mirror Light Souree Light Souree Mirror Reference Surtace Pivet Figure 1 Figure 2 1) Suppose for an optical device, we want to control the angle of the reflected light (as measured from the horizontal) as shown in Fig. 1. For this purpose, an adjustable mirror mechanism is proposed in Fig. 2, where the mirror is pivoted at one end, and a screw is installed to adjust the angle, θ. Obtain a mathematical model for the variation of the adjustment angle θ(t) as a function of the number of complete rotations of the screw. n(t), the horizontal length, L, and the thread pitch of the screw, λ
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