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43. The refractive index of the material of the prismof an angle 60 degree is 1.62 for sodium light. The angle of minimum deviation for this light is: Why cannot we use the formula: deviation= (refractive index - 1) angle of prism??

Answer» 43. The refractive index of the material of the prismof an angle 60 degree is 1.62 for sodium light. The angle of minimum deviation for this light is: Why cannot we use the formula: deviation= (refractive index - 1) angle of prism??


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