SOLVED:A beam of light always spreads out. Why can a beam not be created with parallel rays to prevent spreading? Why can lenses, mirrors, or apertures not be used to correct the spreading?
numerade.com
SOLVED:A beam of light always spreads out. Why can a beam not be created with parallel rays to prevent spreading? Why can lenses, mirrors, or apertures not be used to correct
A beam of light always spreads out. Why can a beam not be created with parallel rays to prevent spreading? Why can lenses, mirrors, or apertures not be used to correct the spreading?
2021年8月12日
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Free Online Beam Calculator: You can specify unlimited supports, loads, and sections on your beam model. It gives you support reactions, shear force, bending moment, deflection, and stress diagrams. Only site that analyzes indeterminate beams in the free version. You can add custom logo on reports.
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